21169967

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3943}}^1$

素因数の和:4022

約数の個数: 16

約数和(自身を含む): 26503680

約数和(自身を除く): 5333713

約数列:

[1, 7, 13, 59, 91, 413, 767, 3943, 5369, 27601, 51259, 232637, 358813, 1628459, 3024281, 21169967]

約数ペア:

[(1, 21169967), (7, 3024281), (13, 1628459), (59, 358813), (91, 232637), (413, 51259), (767, 27601), (3943, 5369)]