21658732108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{10177}}^1\times {\mathrm{40927}}^1$

素因数の和:51121

約数の個数: 24

約数和(自身を含む): 40823388032

約数和(自身を除く): 19164655924

約数列:

[1, 2, 4, 13, 26, 52, 10177, 20354, 40708, 40927, 81854, 132301, 163708, 264602, 529204, 532051, 1064102, 2128204, 416514079, 833028158, 1666056316, 5414683027, 10829366054, 21658732108]

約数ペア:

[(1, 21658732108), (2, 10829366054), (4, 5414683027), (13, 1666056316), (26, 833028158), (52, 416514079), (10177, 2128204), (20354, 1064102), (40708, 532051), (40927, 529204), (81854, 264602), (132301, 163708)]