21262059

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1997}}^1$

素因数の和:2036

約数の個数: 36

約数和(自身を含む): 38025936

約数和(自身を除く): 16763877

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1997, 3549, 5991, 10647, 13979, 17973, 25961, 41937, 77883, 125811, 181727, 233649, 337493, 545181, 1012479, 1635543, 2362451, 3037437, 7087353, 21262059]

約数ペア:

[(1, 21262059), (3, 7087353), (7, 3037437), (9, 2362451), (13, 1635543), (21, 1012479), (39, 545181), (63, 337493), (91, 233649), (117, 181727), (169, 125811), (273, 77883), (507, 41937), (819, 25961), (1183, 17973), (1521, 13979), (1997, 10647), (3549, 5991)]