21703990399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1201}}^1\times {\mathrm{198589}}^1$

素因数の和:199810

約数の個数: 16

約数和(自身を含む): 26734980160

約数和(自身を除く): 5030989761

約数列:

[1, 7, 13, 91, 1201, 8407, 15613, 109291, 198589, 1390123, 2581657, 18071599, 238505389, 1669537723, 3100570057, 21703990399]

約数ペア:

[(1, 21703990399), (7, 3100570057), (13, 1669537723), (91, 238505389), (1201, 18071599), (8407, 2581657), (15613, 1390123), (109291, 198589)]