21827157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{977}}^1$

素因数の和:1668

約数の個数: 16

約数和(自身を含む): 31828032

約数和(自身を除く): 10000875

約数列:

[1, 3, 11, 33, 677, 977, 2031, 2931, 7447, 10747, 22341, 32241, 661429, 1984287, 7275719, 21827157]

約数ペア:

[(1, 21827157), (3, 7275719), (11, 1984287), (33, 661429), (677, 32241), (977, 22341), (2031, 10747), (2931, 7447)]