21322740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355379}}^1$

素因数の和:355391

約数の個数: 24

約数和(自身を含む): 59703840

約数和(自身を除く): 38381100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355379, 710758, 1066137, 1421516, 1776895, 2132274, 3553790, 4264548, 5330685, 7107580, 10661370, 21322740]

約数ペア:

[(1, 21322740), (2, 10661370), (3, 7107580), (4, 5330685), (5, 4264548), (6, 3553790), (10, 2132274), (12, 1776895), (15, 1421516), (20, 1066137), (30, 710758), (60, 355379)]