21313980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118411}}^1$

素因数の和:118426

約数の個数: 36

約数和(自身を含む): 64652952

約数和(自身を除く): 43338972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118411, 236822, 355233, 473644, 592055, 710466, 1065699, 1184110, 1420932, 1776165, 2131398, 2368220, 3552330, 4262796, 5328495, 7104660, 10656990, 21313980]

約数ペア:

[(1, 21313980), (2, 10656990), (3, 7104660), (4, 5328495), (5, 4262796), (6, 3552330), (9, 2368220), (10, 2131398), (12, 1776165), (15, 1420932), (18, 1184110), (20, 1065699), (30, 710466), (36, 592055), (45, 473644), (60, 355233), (90, 236822), (180, 118411)]