21936424

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{19727}}^1$

素因数の和:19872

約数の個数: 16

約数和(自身を含む): 41428800

約数和(自身を除く): 19492376

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 19727, 39454, 78908, 157816, 2742053, 5484106, 10968212, 21936424]

約数ペア:

[(1, 21936424), (2, 10968212), (4, 5484106), (8, 2742053), (139, 157816), (278, 78908), (556, 39454), (1112, 19727)]