21926359

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2903}}^1$

素因数の和:3006

約数の個数: 16

約数和(自身を含む): 27320832

約数和(自身を除く): 5394473

約数列:

[1, 7, 13, 83, 91, 581, 1079, 2903, 7553, 20321, 37739, 240949, 264173, 1686643, 3132337, 21926359]

約数ペア:

[(1, 21926359), (7, 3132337), (13, 1686643), (83, 264173), (91, 240949), (581, 37739), (1079, 20321), (2903, 7553)]