21296025

素因数分解:

$3^2\times 5^2\times {\mathrm{94649}}^1$

素因数の和:94665

約数の個数: 18

約数和(自身を含む): 38143950

約数和(自身を除く): 16847925

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 94649, 283947, 473245, 851841, 1419735, 2366225, 4259205, 7098675, 21296025]

約数ペア:

[(1, 21296025), (3, 7098675), (5, 4259205), (9, 2366225), (15, 1419735), (25, 851841), (45, 473245), (75, 283947), (225, 94649)]