21804759361

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{134399}}^1$

素因数の和:134474

約数の個数: 32

約数和(自身を含む): 28385280000

約数和(自身を除く): 6580520639

約数列:

[1, 7, 11, 43, 49, 77, 301, 343, 473, 539, 2107, 3311, 3773, 14749, 23177, 134399, 162239, 940793, 1478389, 5779157, 6585551, 10348723, 40454099, 46098857, 63570727, 72441061, 283178693, 444995089, 507087427, 1982250851, 3114965623, 21804759361]

約数ペア:

[(1, 21804759361), (7, 3114965623), (11, 1982250851), (43, 507087427), (49, 444995089), (77, 283178693), (301, 72441061), (343, 63570727), (473, 46098857), (539, 40454099), (2107, 10348723), (3311, 6585551), (3773, 5779157), (14749, 1478389), (23177, 940793), (134399, 162239)]