21774137

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3407}}^1$

素因数の和:3508

約数の個数: 16

約数和(自身を含む): 27482112

約数和(自身を除く): 5707975

約数列:

[1, 7, 11, 77, 83, 581, 913, 3407, 6391, 23849, 37477, 262339, 282781, 1979467, 3110591, 21774137]

約数ペア:

[(1, 21774137), (7, 3110591), (11, 1979467), (77, 282781), (83, 262339), (581, 37477), (913, 23849), (3407, 6391)]