21720006002

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{2953}}^1\times {\mathrm{69389}}^1$

素因数の和:72397

約数の個数: 16

約数和(自身を含む): 33206445720

約数和(自身を除く): 11486439718

約数列:

[1, 2, 53, 106, 2953, 5906, 69389, 138778, 156509, 313018, 3677617, 7355234, 204905717, 409811434, 10860003001, 21720006002]

約数ペア:

[(1, 21720006002), (2, 10860003001), (53, 409811434), (106, 204905717), (2953, 7355234), (5906, 3677617), (69389, 313018), (138778, 156509)]