21568276

素因数分解:

$2^2\times {\mathrm{59}}^2\times {\mathrm{1549}}^1$

素因数の和:1671

約数の個数: 18

約数和(自身を含む): 38419850

約数和(自身を除く): 16851574

約数列:

[1, 2, 4, 59, 118, 236, 1549, 3098, 3481, 6196, 6962, 13924, 91391, 182782, 365564, 5392069, 10784138, 21568276]

約数ペア:

[(1, 21568276), (2, 10784138), (4, 5392069), (59, 365564), (118, 182782), (236, 91391), (1549, 13924), (3098, 6962), (3481, 6196)]