21762320

素因数分解:

$2^4\times 5^1\times {\mathrm{272029}}^1$

素因数の和:272042

約数の個数: 20

約数和(自身を含む): 50597580

約数和(自身を除く): 28835260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 272029, 544058, 1088116, 1360145, 2176232, 2720290, 4352464, 5440580, 10881160, 21762320]

約数ペア:

[(1, 21762320), (2, 10881160), (4, 5440580), (5, 4352464), (8, 2720290), (10, 2176232), (16, 1360145), (20, 1088116), (40, 544058), (80, 272029)]