21145150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32531}}^1$

素因数の和:32556

約数の個数: 24

約数和(自身を含む): 42356664

約数和(自身を除く): 21211514

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32531, 65062, 162655, 325310, 422903, 813275, 845806, 1626550, 2114515, 4229030, 10572575, 21145150]

約数ペア:

[(1, 21145150), (2, 10572575), (5, 4229030), (10, 2114515), (13, 1626550), (25, 845806), (26, 813275), (50, 422903), (65, 325310), (130, 162655), (325, 65062), (650, 32531)]