21339564

素因数分解:

$2^2\times 3^1\times {\mathrm{547}}^1\times {\mathrm{3251}}^1$

素因数の和:3805

約数の個数: 24

約数和(自身を含む): 49898688

約数和(自身を除く): 28559124

約数列:

[1, 2, 3, 4, 6, 12, 547, 1094, 1641, 2188, 3251, 3282, 6502, 6564, 9753, 13004, 19506, 39012, 1778297, 3556594, 5334891, 7113188, 10669782, 21339564]

約数ペア:

[(1, 21339564), (2, 10669782), (3, 7113188), (4, 5334891), (6, 3556594), (12, 1778297), (547, 39012), (1094, 19506), (1641, 13004), (2188, 9753), (3251, 6564), (3282, 6502)]