21094073

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1621}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 28495296

約数和(自身を除く): 7401223

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1621, 1859, 11347, 13013, 17831, 21073, 124817, 147511, 231803, 273949, 1622621, 1917643, 3013439, 21094073]

約数ペア:

[(1, 21094073), (7, 3013439), (11, 1917643), (13, 1622621), (77, 273949), (91, 231803), (143, 147511), (169, 124817), (1001, 21073), (1183, 17831), (1621, 13013), (1859, 11347)]