21200935

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{14087}}^1$

素因数の和:14142

約数の個数: 16

約数和(自身を含む): 29753856

約数和(自身を除く): 8552921

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 14087, 70435, 98609, 493045, 605741, 3028705, 4240187, 21200935]

約数ペア:

[(1, 21200935), (5, 4240187), (7, 3028705), (35, 605741), (43, 493045), (215, 98609), (301, 70435), (1505, 14087)]