21572940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359549}}^1$

素因数の和:359561

約数の個数: 24

約数和(自身を含む): 60404400

約数和(自身を除く): 38831460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359549, 719098, 1078647, 1438196, 1797745, 2157294, 3595490, 4314588, 5393235, 7190980, 10786470, 21572940]

約数ペア:

[(1, 21572940), (2, 10786470), (3, 7190980), (4, 5393235), (5, 4314588), (6, 3595490), (10, 2157294), (12, 1797745), (15, 1438196), (20, 1078647), (30, 719098), (60, 359549)]