21289818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{322573}}^1$

素因数の和:322589

約数の個数: 16

約数和(自身を含む): 46450656

約数和(自身を除く): 25160838

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 322573, 645146, 967719, 1935438, 3548303, 7096606, 10644909, 21289818]

約数ペア:

[(1, 21289818), (2, 10644909), (3, 7096606), (6, 3548303), (11, 1935438), (22, 967719), (33, 645146), (66, 322573)]