21249393

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{1699}}^1$

素因数の和:2092

約数の個数: 16

約数和(自身を含む): 31008000

約数和(自身を除く): 9758607

約数列:

[1, 3, 11, 33, 379, 1137, 1699, 4169, 5097, 12507, 18689, 56067, 643921, 1931763, 7083131, 21249393]

約数ペア:

[(1, 21249393), (3, 7083131), (11, 1931763), (33, 643921), (379, 56067), (1137, 18689), (1699, 12507), (4169, 5097)]