21548907

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5527

約数の個数: 24

約数和(自身を含む): 34195200

約数和(自身を除く): 12646293

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5479, 16437, 49311, 104101, 126017, 312303, 378051, 936909, 1134153, 2394323, 7182969, 21548907]

約数ペア:

[(1, 21548907), (3, 7182969), (9, 2394323), (19, 1134153), (23, 936909), (57, 378051), (69, 312303), (171, 126017), (207, 104101), (437, 49311), (1311, 16437), (3933, 5479)]