A perfect number is a number which is the sum of it's positive proper divisors.
214 has divisors:
1, 2, 107
1 + 2 + 107 = 110 != 214
Thus 214 is not a perfect number
The first 4 perfect numbers are:
6, 28, 496 and 8128.
abundant
deficient
It is deficient.
it is abundant
abundant
deficient
13 is deficient.
It is deficient.
perfect
36 is abundant.
It's deficient
abundant