21902904107

素因数分解:

$7^2\times {\mathrm{12041}}^1\times {\mathrm{37123}}^1$

素因数の和:49178

約数の個数: 12

約数和(自身を含む): 25481690856

約数和(自身を除く): 3578786749

約数列:

[1, 7, 49, 12041, 37123, 84287, 259861, 590009, 1819027, 446998043, 3128986301, 21902904107]

約数ペア:

[(1, 21902904107), (7, 3128986301), (49, 446998043), (12041, 1819027), (37123, 590009), (84287, 259861)]