21942655

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13339}}^1$

素因数の和:13398

約数の個数: 16

約数和(自身を含む): 30735360

約数和(自身を除く): 8792705

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 13339, 66695, 93373, 466865, 626933, 3134665, 4388531, 21942655]

約数ペア:

[(1, 21942655), (5, 4388531), (7, 3134665), (35, 626933), (47, 466865), (235, 93373), (329, 66695), (1645, 13339)]