21200792

素因数分解:

$2^3\times {\mathrm{911}}^1\times {\mathrm{2909}}^1$

素因数の和:3826

約数の個数: 16

約数和(自身を含む): 39808800

約数和(自身を除く): 18608008

約数列:

[1, 2, 4, 8, 911, 1822, 2909, 3644, 5818, 7288, 11636, 23272, 2650099, 5300198, 10600396, 21200792]

約数ペア:

[(1, 21200792), (2, 10600396), (4, 5300198), (8, 2650099), (911, 23272), (1822, 11636), (2909, 7288), (3644, 5818)]