21735160

素因数分解:

$2^3\times 5^1\times {\mathrm{543379}}^1$

素因数の和:543390

約数の個数: 16

約数和(自身を含む): 48904200

約数和(自身を除く): 27169040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 543379, 1086758, 2173516, 2716895, 4347032, 5433790, 10867580, 21735160]

約数ペア:

[(1, 21735160), (2, 10867580), (4, 5433790), (5, 4347032), (8, 2716895), (10, 2173516), (20, 1086758), (40, 543379)]