21943233

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9871}}^1$

素因数の和:9909

約数の個数: 24

約数和(自身を含む): 35934080

約数和(自身を除く): 13990847

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9871, 29613, 88839, 128323, 187549, 384969, 562647, 1154907, 1687941, 2438137, 7314411, 21943233]

約数ペア:

[(1, 21943233), (3, 7314411), (9, 2438137), (13, 1687941), (19, 1154907), (39, 562647), (57, 384969), (117, 187549), (171, 128323), (247, 88839), (741, 29613), (2223, 9871)]