21769085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1871}}^1$

素因数の和:2068

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 6535555

約数列:

[1, 5, 13, 65, 179, 895, 1871, 2327, 9355, 11635, 24323, 121615, 334909, 1674545, 4353817, 21769085]

約数ペア:

[(1, 21769085), (5, 4353817), (13, 1674545), (65, 334909), (179, 121615), (895, 24323), (1871, 11635), (2327, 9355)]