21352160

素因数分解:

$2^5\times 5^1\times {\mathrm{133451}}^1$

素因数の和:133466

約数の個数: 24

約数和(自身を含む): 50444856

約数和(自身を除く): 29092696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 133451, 266902, 533804, 667255, 1067608, 1334510, 2135216, 2669020, 4270432, 5338040, 10676080, 21352160]

約数ペア:

[(1, 21352160), (2, 10676080), (4, 5338040), (5, 4270432), (8, 2669020), (10, 2135216), (16, 1334510), (20, 1067608), (32, 667255), (40, 533804), (80, 266902), (160, 133451)]