21675800

素因数分解:

$2^3\times 5^2\times {\mathrm{108379}}^1$

素因数の和:108395

約数の個数: 24

約数和(自身を含む): 50396700

約数和(自身を除く): 28720900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 108379, 216758, 433516, 541895, 867032, 1083790, 2167580, 2709475, 4335160, 5418950, 10837900, 21675800]

約数ペア:

[(1, 21675800), (2, 10837900), (4, 5418950), (5, 4335160), (8, 2709475), (10, 2167580), (20, 1083790), (25, 867032), (40, 541895), (50, 433516), (100, 216758), (200, 108379)]