21231510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{707717}}^1$

素因数の和:707727

約数の個数: 16

約数和(自身を含む): 50955696

約数和(自身を除く): 29724186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 707717, 1415434, 2123151, 3538585, 4246302, 7077170, 10615755, 21231510]

約数ペア:

[(1, 21231510), (2, 10615755), (3, 7077170), (5, 4246302), (6, 3538585), (10, 2123151), (15, 1415434), (30, 707717)]