Factors / Factors of 211

Factors of 211

1, 211

211 is prime: only factor pair is (1, 211), confirmed by trial division up to √211 ≈ 14.5 turning up nothing else. 211's full pair list is (1, 211), for 2 divisors in total. 211's divisors other than 211 itself sum to just 1, 210 below 211: the common deficient case. 211 is odd, digit sum 4 for 211; none of 2-12 divide 211 evenly. 211 has 2 divisors; 210 has 16 and 212 has 6, so 210 wins here. 211 divided by its largest divisor, 1, gives 211.