21546200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8287}}^1$

素因数の和:8316

約数の個数: 48

約数和(自身を含む): 53954880

約数和(自身を除く): 32408680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 8287, 16574, 33148, 41435, 66296, 82870, 107731, 165740, 207175, 215462, 331480, 414350, 430924, 538655, 828700, 861848, 1077310, 1657400, 2154620, 2693275, 4309240, 5386550, 10773100, 21546200]

約数ペア:

[(1, 21546200), (2, 10773100), (4, 5386550), (5, 4309240), (8, 2693275), (10, 2154620), (13, 1657400), (20, 1077310), (25, 861848), (26, 828700), (40, 538655), (50, 430924), (52, 414350), (65, 331480), (100, 215462), (104, 207175), (130, 165740), (200, 107731), (260, 82870), (325, 66296), (520, 41435), (650, 33148), (1300, 16574), (2600, 8287)]