21075800

素因数分解:

$2^3\times 5^2\times {\mathrm{105379}}^1$

素因数の和:105395

約数の個数: 24

約数和(自身を含む): 49001700

約数和(自身を除く): 27925900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105379, 210758, 421516, 526895, 843032, 1053790, 2107580, 2634475, 4215160, 5268950, 10537900, 21075800]

約数ペア:

[(1, 21075800), (2, 10537900), (4, 5268950), (5, 4215160), (8, 2634475), (10, 2107580), (20, 1053790), (25, 843032), (40, 526895), (50, 421516), (100, 210758), (200, 105379)]