21331827

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5011}}^1$

素因数の和:5071

約数の個数: 24

約数和(自身を含む): 34402368

約数和(自身を除く): 13070541

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 5011, 15033, 45099, 55121, 165363, 215473, 496089, 646419, 1939257, 2370203, 7110609, 21331827]

約数ペア:

[(1, 21331827), (3, 7110609), (9, 2370203), (11, 1939257), (33, 646419), (43, 496089), (99, 215473), (129, 165363), (387, 55121), (473, 45099), (1419, 15033), (4257, 5011)]