21066525

素因数分解:

$3^2\times 5^2\times {\mathrm{93629}}^1$

素因数の和:93645

約数の個数: 18

約数和(自身を含む): 37732890

約数和(自身を除く): 16666365

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 93629, 280887, 468145, 842661, 1404435, 2340725, 4213305, 7022175, 21066525]

約数ペア:

[(1, 21066525), (3, 7022175), (5, 4213305), (9, 2340725), (15, 1404435), (25, 842661), (45, 468145), (75, 280887), (225, 93629)]