21634576

素因数分解:

$2^4\times {\mathrm{1049}}^1\times {\mathrm{1289}}^1$

素因数の和:2346

約数の個数: 20

約数和(自身を含む): 41989500

約数和(自身を除く): 20354924

約数列:

[1, 2, 4, 8, 16, 1049, 1289, 2098, 2578, 4196, 5156, 8392, 10312, 16784, 20624, 1352161, 2704322, 5408644, 10817288, 21634576]

約数ペア:

[(1, 21634576), (2, 10817288), (4, 5408644), (8, 2704322), (16, 1352161), (1049, 20624), (1289, 16784), (2098, 10312), (2578, 8392), (4196, 5156)]