21894483

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7907}}^1$

素因数の和:7994

約数の個数: 16

約数和(自身を含む): 31885056

約数和(自身を除く): 9990573

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7907, 23721, 102791, 308373, 561397, 1684191, 7298161, 21894483]

約数ペア:

[(1, 21894483), (3, 7298161), (13, 1684191), (39, 561397), (71, 308373), (213, 102791), (923, 23721), (2769, 7907)]