21354352

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2467}}^1$

素因数の和:3016

約数の個数: 20

約数和(自身を含む): 41467336

約数和(自身を除く): 20112984

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2467, 4328, 4934, 8656, 9868, 19736, 39472, 1334647, 2669294, 5338588, 10677176, 21354352]

約数ペア:

[(1, 21354352), (2, 10677176), (4, 5338588), (8, 2669294), (16, 1334647), (541, 39472), (1082, 19736), (2164, 9868), (2467, 8656), (4328, 4934)]