21961027

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 2714813

約数列:

[1, 11, 53, 139, 271, 583, 1529, 2981, 7367, 14363, 37669, 81037, 157993, 414359, 1996457, 21961027]

約数ペア:

[(1, 21961027), (11, 1996457), (53, 414359), (139, 157993), (271, 81037), (583, 37669), (1529, 14363), (2981, 7367)]