21190024

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155809}}^1$

素因数の和:155832

約数の個数: 16

約数和(自身を含む): 42068700

約数和(自身を除く): 20878676

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155809, 311618, 623236, 1246472, 2648753, 5297506, 10595012, 21190024]

約数ペア:

[(1, 21190024), (2, 10595012), (4, 5297506), (8, 2648753), (17, 1246472), (34, 623236), (68, 311618), (136, 155809)]