21814600

素因数分解:

$2^3\times 5^2\times {\mathrm{109073}}^1$

素因数の和:109089

約数の個数: 24

約数和(自身を含む): 50719410

約数和(自身を除く): 28904810

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 109073, 218146, 436292, 545365, 872584, 1090730, 2181460, 2726825, 4362920, 5453650, 10907300, 21814600]

約数ペア:

[(1, 21814600), (2, 10907300), (4, 5453650), (5, 4362920), (8, 2726825), (10, 2181460), (20, 1090730), (25, 872584), (40, 545365), (50, 436292), (100, 218146), (200, 109073)]