21576971

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 23905728

約数和(自身を除く): 2328757

約数列:

[1, 13, 71, 97, 241, 923, 1261, 3133, 6887, 17111, 23377, 89531, 222443, 303901, 1659767, 21576971]

約数ペア:

[(1, 21576971), (13, 1659767), (71, 303901), (97, 222443), (241, 89531), (923, 23377), (1261, 17111), (3133, 6887)]