21745191

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{2393}}^1$

素因数の和:2642

約数の個数: 16

約数和(自身を含む): 31370976

約数和(自身を除く): 9625785

約数列:

[1, 3, 13, 39, 233, 699, 2393, 3029, 7179, 9087, 31109, 93327, 557569, 1672707, 7248397, 21745191]

約数ペア:

[(1, 21745191), (3, 7248397), (13, 1672707), (39, 557569), (233, 93327), (699, 31109), (2393, 9087), (3029, 7179)]