21294960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88729}}^1$

素因数の和:88745

約数の個数: 40

約数和(自身を含む): 66015120

約数和(自身を除く): 44720160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88729, 177458, 266187, 354916, 443645, 532374, 709832, 887290, 1064748, 1330935, 1419664, 1774580, 2129496, 2661870, 3549160, 4258992, 5323740, 7098320, 10647480, 21294960]

約数ペア:

[(1, 21294960), (2, 10647480), (3, 7098320), (4, 5323740), (5, 4258992), (6, 3549160), (8, 2661870), (10, 2129496), (12, 1774580), (15, 1419664), (16, 1330935), (20, 1064748), (24, 887290), (30, 709832), (40, 532374), (48, 443645), (60, 354916), (80, 266187), (120, 177458), (240, 88729)]