21105930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{703531}}^1$

素因数の和:703541

約数の個数: 16

約数和(自身を含む): 50654304

約数和(自身を除く): 29548374

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 703531, 1407062, 2110593, 3517655, 4221186, 7035310, 10552965, 21105930]

約数ペア:

[(1, 21105930), (2, 10552965), (3, 7035310), (5, 4221186), (6, 3517655), (10, 2110593), (15, 1407062), (30, 703531)]