21097439

素因数分解:

${\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{1543}}^1$

素因数の和:1678

約数の個数: 12

約数和(自身を含む): 23410128

約数和(自身を除く): 2312689

約数列:

[1, 11, 113, 121, 1243, 1543, 13673, 16973, 174359, 186703, 1917949, 21097439]

約数ペア:

[(1, 21097439), (11, 1917949), (113, 186703), (121, 174359), (1243, 16973), (1543, 13673)]