21931683

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{4019}}^1$

素因数の和:4146

約数の個数: 16

約数和(自身を含む): 31259520

約数和(自身を除く): 9327837

約数列:

[1, 3, 17, 51, 107, 321, 1819, 4019, 5457, 12057, 68323, 204969, 430033, 1290099, 7310561, 21931683]

約数ペア:

[(1, 21931683), (3, 7310561), (17, 1290099), (51, 430033), (107, 204969), (321, 68323), (1819, 12057), (4019, 5457)]