21188025

素因数分解:

$3^2\times 5^2\times {\mathrm{94169}}^1$

素因数の和:94185

約数の個数: 18

約数和(自身を含む): 37950510

約数和(自身を除く): 16762485

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 94169, 282507, 470845, 847521, 1412535, 2354225, 4237605, 7062675, 21188025]

約数ペア:

[(1, 21188025), (3, 7062675), (5, 4237605), (9, 2354225), (15, 1412535), (25, 847521), (45, 470845), (75, 282507), (225, 94169)]