21569093

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1004

約数の個数: 16

約数和(自身を含む): 26656896

約数和(自身を除く): 5087803

約数列:

[1, 7, 13, 91, 421, 563, 2947, 3941, 5473, 7319, 38311, 51233, 237023, 1659161, 3081299, 21569093]

約数ペア:

[(1, 21569093), (7, 3081299), (13, 1659161), (91, 237023), (421, 51233), (563, 38311), (2947, 7319), (3941, 5473)]