21091450

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3733}}^1$

素因数の和:3858

約数の個数: 24

約数和(自身を含む): 39587868

約数和(自身を除く): 18496418

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3733, 5650, 7466, 18665, 37330, 93325, 186650, 421829, 843658, 2109145, 4218290, 10545725, 21091450]

約数ペア:

[(1, 21091450), (2, 10545725), (5, 4218290), (10, 2109145), (25, 843658), (50, 421829), (113, 186650), (226, 93325), (565, 37330), (1130, 18665), (2825, 7466), (3733, 5650)]