21067165

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35407}}^1$

素因数の和:35436

約数の個数: 16

約数和(自身を含む): 30592512

約数和(自身を除く): 9525347

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 35407, 177035, 247849, 601919, 1239245, 3009595, 4213433, 21067165]

約数ペア:

[(1, 21067165), (5, 4213433), (7, 3009595), (17, 1239245), (35, 601919), (85, 247849), (119, 177035), (595, 35407)]