21301181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 24167808

約数和(自身を除く): 2866627

約数列:

[1, 11, 41, 73, 451, 647, 803, 2993, 7117, 26527, 32923, 47231, 291797, 519541, 1936471, 21301181]

約数ペア:

[(1, 21301181), (11, 1936471), (41, 519541), (73, 291797), (451, 47231), (647, 32923), (803, 26527), (2993, 7117)]