21342663

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 12111417

約数列:

[1, 3, 9, 27, 31, 43, 93, 129, 279, 387, 593, 837, 1161, 1333, 1779, 3999, 5337, 11997, 16011, 18383, 25499, 35991, 55149, 76497, 165447, 229491, 496341, 688473, 790469, 2371407, 7114221, 21342663]

約数ペア:

[(1, 21342663), (3, 7114221), (9, 2371407), (27, 790469), (31, 688473), (43, 496341), (93, 229491), (129, 165447), (279, 76497), (387, 55149), (593, 35991), (837, 25499), (1161, 18383), (1333, 16011), (1779, 11997), (3999, 5337)]