21028337

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 3466063

約数列:

[1, 11, 17, 139, 187, 809, 1529, 2363, 8899, 13753, 25993, 112451, 151283, 1236961, 1911667, 21028337]

約数ペア:

[(1, 21028337), (11, 1911667), (17, 1236961), (139, 151283), (187, 112451), (809, 25993), (1529, 13753), (2363, 8899)]