21481860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358031}}^1$

素因数の和:358043

約数の個数: 24

約数和(自身を含む): 60149376

約数和(自身を除く): 38667516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358031, 716062, 1074093, 1432124, 1790155, 2148186, 3580310, 4296372, 5370465, 7160620, 10740930, 21481860]

約数ペア:

[(1, 21481860), (2, 10740930), (3, 7160620), (4, 5370465), (5, 4296372), (6, 3580310), (10, 2148186), (12, 1790155), (15, 1432124), (20, 1074093), (30, 716062), (60, 358031)]