21456640797

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{7877}}^1\times {\mathrm{53411}}^1$

素因数の和:61308

約数の個数: 16

約数和(自身を含む): 30296140992

約数和(自身を除く): 8839500195

約数列:

[1, 3, 17, 51, 7877, 23631, 53411, 133909, 160233, 401727, 907987, 2723961, 420718447, 1262155341, 7152213599, 21456640797]

約数ペア:

[(1, 21456640797), (3, 7152213599), (17, 1262155341), (51, 420718447), (7877, 2723961), (23631, 907987), (53411, 401727), (133909, 160233)]