21000739180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36208171}}^1$

素因数の和:36208209

約数の個数: 24

約数和(自身を含む): 45622296720

約数和(自身を除く): 24621557540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36208171, 72416342, 144832684, 181040855, 362081710, 724163420, 1050036959, 2100073918, 4200147836, 5250184795, 10500369590, 21000739180]

約数ペア:

[(1, 21000739180), (2, 10500369590), (4, 5250184795), (5, 4200147836), (10, 2100073918), (20, 1050036959), (29, 724163420), (58, 362081710), (116, 181040855), (145, 144832684), (290, 72416342), (580, 36208171)]