21891926

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7703}}^1$

素因数の和:7748

約数の個数: 24

約数和(自身を含む): 39521520

約数和(自身を除く): 17629594

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7703, 15406, 53921, 107842, 223387, 377447, 446774, 754894, 1563709, 3127418, 10945963, 21891926]

約数ペア:

[(1, 21891926), (2, 10945963), (7, 3127418), (14, 1563709), (29, 754894), (49, 446774), (58, 377447), (98, 223387), (203, 107842), (406, 53921), (1421, 15406), (2842, 7703)]