21381063

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{58901}}^1$

素因数の和:58926

約数の個数: 12

約数和(自身を含む): 31335864

約数和(自身を除く): 9954801

約数列:

[1, 3, 11, 33, 121, 363, 58901, 176703, 647911, 1943733, 7127021, 21381063]

約数ペア:

[(1, 21381063), (3, 7127021), (11, 1943733), (33, 647911), (121, 176703), (363, 58901)]