21774493

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 24579072

約数和(自身を除く): 2804579

約数列:

[1, 13, 31, 71, 403, 761, 923, 2201, 9893, 23591, 28613, 54031, 306683, 702403, 1674961, 21774493]

約数ペア:

[(1, 21774493), (13, 1674961), (31, 702403), (71, 306683), (403, 54031), (761, 28613), (923, 23591), (2201, 9893)]