21451727

素因数分解:

${\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 16

約数和(自身を含む): 24033024

約数和(自身を除く): 2581297

約数列:

[1, 11, 71, 121, 227, 781, 1331, 2497, 8591, 16117, 27467, 94501, 177287, 302137, 1950157, 21451727]

約数ペア:

[(1, 21451727), (11, 1950157), (71, 302137), (121, 177287), (227, 94501), (781, 27467), (1331, 16117), (2497, 8591)]