21115858

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:749

約数の個数: 16

約数和(自身を含む): 32171256

約数和(自身を除く): 11055398

約数列:

[1, 2, 113, 226, 233, 401, 466, 802, 26329, 45313, 52658, 90626, 93433, 186866, 10557929, 21115858]

約数ペア:

[(1, 21115858), (2, 10557929), (113, 186866), (226, 93433), (233, 90626), (401, 52658), (466, 45313), (802, 26329)]