21234807

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1123}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 33666048

約数和(自身を除く): 12431241

約数列:

[1, 3, 9, 11, 33, 99, 191, 573, 1123, 1719, 2101, 3369, 6303, 10107, 12353, 18909, 37059, 111177, 214493, 643479, 1930437, 2359423, 7078269, 21234807]

約数ペア:

[(1, 21234807), (3, 7078269), (9, 2359423), (11, 1930437), (33, 643479), (99, 214493), (191, 111177), (573, 37059), (1123, 18909), (1719, 12353), (2101, 10107), (3369, 6303)]