# coding: utf-8 import array, bisect, collections, copy, heapq, itertools, math, random, re, string, sys, time sys.setrecursionlimit(10 ** 7) INF = 10 ** 20 MOD = 10 ** 9 + 7 def II(): return int(input()) def ILI(): return list(map(int, input().split())) def IAI(LINE): return [ILI() for __ in range(LINE)] def IDI(): return {key: value for key, value in ILI()} def read(): N = II() return (N,) def solve(N): n_sqrt = math.floor(math.sqrt(N)) s_ans = set() for i in range(1, n_sqrt + 1): div, mod = divmod(N, i) if mod == 0: s_ans.add(int(str(i) + str(div))) s_ans.add(int(str(div) + str(i))) ans = len(s_ans) return ans def main(): params = read() print(solve(*params)) if __name__ == "__main__": main()