21907533

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 29702016

約数和(自身を除く): 7794483

約数列:

[1, 3, 137, 151, 353, 411, 453, 1059, 20687, 48361, 53303, 62061, 145083, 159909, 7302511, 21907533]

約数ペア:

[(1, 21907533), (3, 7302511), (137, 159909), (151, 145083), (353, 62061), (411, 53303), (453, 48361), (1059, 20687)]