2115421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 2677248

約数和(自身を除く): 561827

約数列:

[1, 7, 11, 77, 83, 331, 581, 913, 2317, 3641, 6391, 25487, 27473, 192311, 302203, 2115421]

約数ペア:

[(1, 2115421), (7, 302203), (11, 192311), (77, 27473), (83, 25487), (331, 6391), (581, 3641), (913, 2317)]