21165800

素因数分解:

$2^3\times 5^2\times {\mathrm{105829}}^1$

素因数の和:105845

約数の個数: 24

約数和(自身を含む): 49210950

約数和(自身を除く): 28045150

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105829, 211658, 423316, 529145, 846632, 1058290, 2116580, 2645725, 4233160, 5291450, 10582900, 21165800]

約数ペア:

[(1, 21165800), (2, 10582900), (4, 5291450), (5, 4233160), (8, 2645725), (10, 2116580), (20, 1058290), (25, 846632), (40, 529145), (50, 423316), (100, 211658), (200, 105829)]