20121221571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{32573}}^1\times {\mathrm{18719}}^1$

素因数の和:51306

約数の個数: 16

約数和(自身を含む): 29269693440

約数和(自身を除く): 9148471869

約数列:

[1, 3, 11, 33, 18719, 32573, 56157, 97719, 205909, 358303, 617727, 1074909, 609733987, 1829201961, 6707073857, 20121221571]

約数ペア:

[(1, 20121221571), (3, 6707073857), (11, 1829201961), (33, 609733987), (18719, 1074909), (32573, 617727), (56157, 358303), (97719, 205909)]