21515343

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 29465856

約数和(自身を除く): 7950513

約数列:

[1, 3, 71, 83, 213, 249, 1217, 3651, 5893, 17679, 86407, 101011, 259221, 303033, 7171781, 21515343]

約数ペア:

[(1, 21515343), (3, 7171781), (71, 303033), (83, 259221), (213, 101011), (249, 86407), (1217, 17679), (3651, 5893)]