21882915

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{263}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 38980656

約数和(自身を除く): 17097741

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 263, 387, 645, 789, 1315, 1849, 1935, 2367, 3945, 5547, 9245, 11309, 11835, 16641, 27735, 33927, 56545, 83205, 101781, 169635, 486287, 508905, 1458861, 2431435, 4376583, 7294305, 21882915]

約数ペア:

[(1, 21882915), (3, 7294305), (5, 4376583), (9, 2431435), (15, 1458861), (43, 508905), (45, 486287), (129, 169635), (215, 101781), (263, 83205), (387, 56545), (645, 33927), (789, 27735), (1315, 16641), (1849, 11835), (1935, 11309), (2367, 9245), (3945, 5547)]