21717399

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1823}}^1$

素因数の和:1875

約数の個数: 24

約数和(自身を含む): 33357312

約数和(自身を除く): 11639913

約数列:

[1, 3, 11, 19, 33, 57, 209, 361, 627, 1083, 1823, 3971, 5469, 11913, 20053, 34637, 60159, 103911, 381007, 658103, 1143021, 1974309, 7239133, 21717399]

約数ペア:

[(1, 21717399), (3, 7239133), (11, 1974309), (19, 1143021), (33, 658103), (57, 381007), (209, 103911), (361, 60159), (627, 34637), (1083, 20053), (1823, 11913), (3971, 5469)]