21907607608

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{4142891}}^1$

素因数の和:4143558

約数の個数: 16

約数和(自身を含む): 41138917560

約数和(自身を除く): 19231309952

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 5288, 4142891, 8285782, 16571564, 33143128, 2738450951, 5476901902, 10953803804, 21907607608]

約数ペア:

[(1, 21907607608), (2, 10953803804), (4, 5476901902), (8, 2738450951), (661, 33143128), (1322, 16571564), (2644, 8285782), (5288, 4142891)]