21167249445

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{206399}}^1$

素因数の和:206506

約数の個数: 48

約数和(自身を含む): 38251699200

約数和(自身を除く): 17084449755

約数列:

[1, 3, 5, 9, 15, 43, 45, 53, 129, 159, 215, 265, 387, 477, 645, 795, 1935, 2279, 2385, 6837, 11395, 20511, 34185, 102555, 206399, 619197, 1031995, 1857591, 3095985, 8875157, 9287955, 10939147, 26625471, 32817441, 44375785, 54695735, 79876413, 98452323, 133127355, 164087205, 399382065, 470383321, 492261615, 1411149963, 2351916605, 4233449889, 7055749815, 21167249445]

約数ペア:

[(1, 21167249445), (3, 7055749815), (5, 4233449889), (9, 2351916605), (15, 1411149963), (43, 492261615), (45, 470383321), (53, 399382065), (129, 164087205), (159, 133127355), (215, 98452323), (265, 79876413), (387, 54695735), (477, 44375785), (645, 32817441), (795, 26625471), (1935, 10939147), (2279, 9287955), (2385, 8875157), (6837, 3095985), (11395, 1857591), (20511, 1031995), (34185, 619197), (102555, 206399)]