21722967

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{691}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 35984000

約数和(自身を除く): 14261033

約数列:

[1, 3, 7, 9, 21, 63, 499, 691, 1497, 2073, 3493, 4491, 4837, 6219, 10479, 14511, 31437, 43533, 344809, 1034427, 2413663, 3103281, 7240989, 21722967]

約数ペア:

[(1, 21722967), (3, 7240989), (7, 3103281), (9, 2413663), (21, 1034427), (63, 344809), (499, 43533), (691, 31437), (1497, 14511), (2073, 10479), (3493, 6219), (4491, 4837)]