21189913633

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{3187}}^1\times {\mathrm{4679}}^1$

素因数の和:7909

約数の個数: 24

約数和(自身を含む): 25512926400

約数和(自身を除く): 4323012767

約数列:

[1, 7, 29, 49, 203, 1421, 3187, 4679, 22309, 32753, 92423, 135691, 156163, 229271, 646961, 949837, 4528727, 6648859, 14911973, 104383811, 432447217, 730686677, 3027130519, 21189913633]

約数ペア:

[(1, 21189913633), (7, 3027130519), (29, 730686677), (49, 432447217), (203, 104383811), (1421, 14911973), (3187, 6648859), (4679, 4528727), (22309, 949837), (32753, 646961), (92423, 229271), (135691, 156163)]