21294245

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{14149}}^1$

素因数の和:14204

約数の個数: 16

約数和(自身を含む): 29884800

約数和(自身を除く): 8590555

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 14149, 70745, 99043, 495215, 608407, 3042035, 4258849, 21294245]

約数ペア:

[(1, 21294245), (5, 4258849), (7, 3042035), (35, 608407), (43, 495215), (215, 99043), (301, 70745), (1505, 14149)]