Factors / Factors of 213

Factors of 213

1, 3, 71, 213

213 breaks into 2 pairs, tested up to √213 ≈ 14.6; each pair multiplies back to 213 exactly. 213's full pair list is (1, 213), (3, 71), for 4 divisors in total. 213's divisors other than 213 itself sum to just 75, 138 below 213: the common deficient case. 213 is odd, digit sum 6 for 213; small divisors of 213 include 3. 213 has 4 divisors; 212 has 6 and 214 has 4, so 212 wins here. 213 divided by its largest divisor, 71, gives 3.