21315930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{710531}}^1$

素因数の和:710541

約数の個数: 16

約数和(自身を含む): 51158304

約数和(自身を除く): 29842374

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 710531, 1421062, 2131593, 3552655, 4263186, 7105310, 10657965, 21315930]

約数ペア:

[(1, 21315930), (2, 10657965), (3, 7105310), (5, 4263186), (6, 3552655), (10, 2131593), (15, 1421062), (30, 710531)]