21315276

素因数分解:

$2^2\times 3^2\times {\mathrm{557}}^1\times {\mathrm{1063}}^1$

素因数の和:1630

約数の個数: 36

約数和(自身を含む): 54027792

約数和(自身を除く): 32712516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 557, 1063, 1114, 1671, 2126, 2228, 3189, 3342, 4252, 5013, 6378, 6684, 9567, 10026, 12756, 19134, 20052, 38268, 592091, 1184182, 1776273, 2368364, 3552546, 5328819, 7105092, 10657638, 21315276]

約数ペア:

[(1, 21315276), (2, 10657638), (3, 7105092), (4, 5328819), (6, 3552546), (9, 2368364), (12, 1776273), (18, 1184182), (36, 592091), (557, 38268), (1063, 20052), (1114, 19134), (1671, 12756), (2126, 10026), (2228, 9567), (3189, 6684), (3342, 6378), (4252, 5013)]