21514207

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 25930368

約数和(自身を除く): 4416161

約数列:

[1, 11, 13, 71, 143, 163, 169, 781, 923, 1793, 1859, 2119, 10153, 11573, 11999, 23309, 27547, 127303, 131989, 150449, 303017, 1654939, 1955837, 21514207]

約数ペア:

[(1, 21514207), (11, 1955837), (13, 1654939), (71, 303017), (143, 150449), (163, 131989), (169, 127303), (781, 27547), (923, 23309), (1793, 11999), (1859, 11573), (2119, 10153)]