21036587

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{937}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 24898272

約数和(自身を除く): 3861685

約数列:

[1, 11, 13, 143, 157, 937, 1727, 2041, 10307, 12181, 22451, 133991, 147109, 1618199, 1912417, 21036587]

約数ペア:

[(1, 21036587), (11, 1912417), (13, 1618199), (143, 147109), (157, 133991), (937, 22451), (1727, 12181), (2041, 10307)]