21312396

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9397}}^1$

素因数の和:9420

約数の個数: 60

約数和(自身を含む): 63680848

約数和(自身を除く): 42368452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9397, 18794, 28191, 37588, 56382, 65779, 84573, 112764, 131558, 169146, 197337, 253719, 263116, 338292, 394674, 507438, 592011, 761157, 789348, 1014876, 1184022, 1522314, 1776033, 2368044, 3044628, 3552066, 5328099, 7104132, 10656198, 21312396]

約数ペア:

[(1, 21312396), (2, 10656198), (3, 7104132), (4, 5328099), (6, 3552066), (7, 3044628), (9, 2368044), (12, 1776033), (14, 1522314), (18, 1184022), (21, 1014876), (27, 789348), (28, 761157), (36, 592011), (42, 507438), (54, 394674), (63, 338292), (81, 263116), (84, 253719), (108, 197337), (126, 169146), (162, 131558), (189, 112764), (252, 84573), (324, 65779), (378, 56382), (567, 37588), (756, 28191), (1134, 18794), (2268, 9397)]