21000337360

素因数分解:

$2^4\times 5^1\times {\mathrm{262504217}}^1$

素因数の和:262504230

約数の個数: 20

約数和(自身を含む): 48825784548

約数和(自身を除く): 27825447188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 262504217, 525008434, 1050016868, 1312521085, 2100033736, 2625042170, 4200067472, 5250084340, 10500168680, 21000337360]

約数ペア:

[(1, 21000337360), (2, 10500168680), (4, 5250084340), (5, 4200067472), (8, 2625042170), (10, 2100033736), (16, 1312521085), (20, 1050016868), (40, 525008434), (80, 262504217)]