21850037

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 24499584

約数和(自身を除く): 2649547

約数列:

[1, 11, 71, 101, 277, 781, 1111, 3047, 7171, 19667, 27977, 78881, 216337, 307747, 1986367, 21850037]

約数ペア:

[(1, 21850037), (11, 1986367), (71, 307747), (101, 216337), (277, 78881), (781, 27977), (1111, 19667), (3047, 7171)]