21282849

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{677}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 35256000

約数和(自身を除く): 13973151

約数列:

[1, 3, 7, 9, 21, 63, 499, 677, 1497, 2031, 3493, 4491, 4739, 6093, 10479, 14217, 31437, 42651, 337823, 1013469, 2364761, 3040407, 7094283, 21282849]

約数ペア:

[(1, 21282849), (3, 7094283), (7, 3040407), (9, 2364761), (21, 1013469), (63, 337823), (499, 42651), (677, 31437), (1497, 14217), (2031, 10479), (3493, 6093), (4491, 4739)]