21027525

素因数分解:

$3^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1117}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 34935264

約数和(自身を除く): 13907739

約数列:

[1, 3, 5, 15, 25, 75, 251, 753, 1117, 1255, 3351, 3765, 5585, 6275, 16755, 18825, 27925, 83775, 280367, 841101, 1401835, 4205505, 7009175, 21027525]

約数ペア:

[(1, 21027525), (3, 7009175), (5, 4205505), (15, 1401835), (25, 841101), (75, 280367), (251, 83775), (753, 27925), (1117, 18825), (1255, 16755), (3351, 6275), (3765, 5585)]