21089627

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 23421888

約数和(自身を除く): 2332261

約数列:

[1, 13, 71, 73, 313, 923, 949, 4069, 5183, 22223, 22849, 67379, 288899, 297037, 1622279, 21089627]

約数ペア:

[(1, 21089627), (13, 1622279), (71, 297037), (73, 288899), (313, 67379), (923, 22849), (949, 22223), (4069, 5183)]