21073723

素因数分解:

${\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 16

約数和(自身を含む): 23611392

約数和(自身を除く): 2537669

約数列:

[1, 11, 71, 121, 223, 781, 1331, 2453, 8591, 15833, 26983, 94501, 174163, 296813, 1915793, 21073723]

約数ペア:

[(1, 21073723), (11, 1915793), (71, 296813), (121, 174163), (223, 94501), (781, 26983), (1331, 15833), (2453, 8591)]