21275866

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{2003}}^1$

素因数の和:2165

約数の個数: 16

約数和(自身を含む): 32897664

約数和(自身を除く): 11621798

約数列:

[1, 2, 47, 94, 113, 226, 2003, 4006, 5311, 10622, 94141, 188282, 226339, 452678, 10637933, 21275866]

約数ペア:

[(1, 21275866), (2, 10637933), (47, 452678), (94, 226339), (113, 188282), (226, 94141), (2003, 10622), (4006, 5311)]