21262096

素因数分解:

$2^4\times {\mathrm{1039}}^1\times {\mathrm{1279}}^1$

素因数の和:2326

約数の個数: 20

約数和(自身を含む): 41267200

約数和(自身を除く): 20005104

約数列:

[1, 2, 4, 8, 16, 1039, 1279, 2078, 2558, 4156, 5116, 8312, 10232, 16624, 20464, 1328881, 2657762, 5315524, 10631048, 21262096]

約数ペア:

[(1, 21262096), (2, 10631048), (4, 5315524), (8, 2657762), (16, 1328881), (1039, 20464), (1279, 16624), (2078, 10232), (2558, 8312), (4156, 5116)]