21527525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^3$

素因数の和:138

約数の個数: 24

約数和(自身を含む): 29049480

約数和(自身を除く): 7521955

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1369, 3145, 6845, 15725, 23273, 34225, 50653, 116365, 253265, 581825, 861101, 1266325, 4305505, 21527525]

約数ペア:

[(1, 21527525), (5, 4305505), (17, 1266325), (25, 861101), (37, 581825), (85, 253265), (185, 116365), (425, 50653), (629, 34225), (925, 23273), (1369, 15725), (3145, 6845)]