Driver code
int main ( ) { int n = 16 ; cout << " Total ▁ perfect ▁ divisors ▁ of ▁ " << n << " ▁ = ▁ " << countPerfectDivisors ( n ) << " STRNEWLINE " ; n = 12 ; cout << " Total ▁ perfect ▁ divisors ▁ of ▁ " << n << " ▁ = ▁ " << countPerfectDivisors ( n ) ; return 0 ; }