21162610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43189}}^1$

素因数の和:43210

約数の個数: 24

約数和(自身を含む): 44312940

約数和(自身を除く): 23150330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 43189, 86378, 215945, 302323, 431890, 604646, 1511615, 2116261, 3023230, 4232522, 10581305, 21162610]

約数ペア:

[(1, 21162610), (2, 10581305), (5, 4232522), (7, 3023230), (10, 2116261), (14, 1511615), (35, 604646), (49, 431890), (70, 302323), (98, 215945), (245, 86378), (490, 43189)]