21513099

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2311}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 29963520

約数和(自身を除く): 8450421

約数列:

[1, 3, 29, 87, 107, 321, 2311, 3103, 6933, 9309, 67019, 201057, 247277, 741831, 7171033, 21513099]

約数ペア:

[(1, 21513099), (3, 7171033), (29, 741831), (87, 247277), (107, 201057), (321, 67019), (2311, 9309), (3103, 6933)]