21960804555

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1\times {\mathrm{18947}}^1$

素因数の和:19600

約数の個数: 48

約数和(自身を含む): 39017721600

約数和(自身を除く): 17056917045

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 599, 645, 1797, 1935, 2995, 5391, 8985, 18947, 25757, 26955, 56841, 77271, 94735, 128785, 170523, 231813, 284205, 386355, 814721, 852615, 1159065, 2444163, 4073605, 7332489, 11349253, 12220815, 34047759, 36662445, 56746265, 102143277, 170238795, 488017879, 510716385, 1464053637, 2440089395, 4392160911, 7320268185, 21960804555]

約数ペア:

[(1, 21960804555), (3, 7320268185), (5, 4392160911), (9, 2440089395), (15, 1464053637), (43, 510716385), (45, 488017879), (129, 170238795), (215, 102143277), (387, 56746265), (599, 36662445), (645, 34047759), (1797, 12220815), (1935, 11349253), (2995, 7332489), (5391, 4073605), (8985, 2444163), (18947, 1159065), (25757, 852615), (26955, 814721), (56841, 386355), (77271, 284205), (94735, 231813), (128785, 170523)]