21280416

素因数分解:

$2^5\times 3^1\times {\mathrm{221671}}^1$

素因数の和:221684

約数の個数: 24

約数和(自身を含む): 55861344

約数和(自身を除く): 34580928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 221671, 443342, 665013, 886684, 1330026, 1773368, 2660052, 3546736, 5320104, 7093472, 10640208, 21280416]

約数ペア:

[(1, 21280416), (2, 10640208), (3, 7093472), (4, 5320104), (6, 3546736), (8, 2660052), (12, 1773368), (16, 1330026), (24, 886684), (32, 665013), (48, 443342), (96, 221671)]