2121379

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 2509920

約数和(自身を除く): 388541

約数列:

[1, 13, 17, 29, 221, 331, 377, 493, 4303, 5627, 6409, 9599, 73151, 124787, 163183, 2121379]

約数ペア:

[(1, 2121379), (13, 163183), (17, 124787), (29, 73151), (221, 9599), (331, 6409), (377, 5627), (493, 4303)]