21875800

素因数分解:

$2^3\times 5^2\times {\mathrm{109379}}^1$

素因数の和:109395

約数の個数: 24

約数和(自身を含む): 50861700

約数和(自身を除く): 28985900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 109379, 218758, 437516, 546895, 875032, 1093790, 2187580, 2734475, 4375160, 5468950, 10937900, 21875800]

約数ペア:

[(1, 21875800), (2, 10937900), (4, 5468950), (5, 4375160), (8, 2734475), (10, 2187580), (20, 1093790), (25, 875032), (40, 546895), (50, 437516), (100, 218758), (200, 109379)]