21275105

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1759}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 5336095

約数列:

[1, 5, 41, 59, 205, 295, 1759, 2419, 8795, 12095, 72119, 103781, 360595, 518905, 4255021, 21275105]

約数ペア:

[(1, 21275105), (5, 4255021), (41, 518905), (59, 360595), (205, 103781), (295, 72119), (1759, 12095), (2419, 8795)]