21617907

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1811}}^1$

素因数の和:2010

約数の個数: 16

約数和(自身を含む): 30267648

約数和(自身を除く): 8649741

約数列:

[1, 3, 23, 69, 173, 519, 1811, 3979, 5433, 11937, 41653, 124959, 313303, 939909, 7205969, 21617907]

約数ペア:

[(1, 21617907), (3, 7205969), (23, 939909), (69, 313303), (173, 124959), (519, 41653), (1811, 11937), (3979, 5433)]