2121977

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 2681280

約数和(自身を除く): 559303

約数列:

[1, 11, 13, 19, 71, 121, 143, 209, 247, 781, 923, 1349, 1573, 2299, 2717, 8591, 10153, 14839, 17537, 29887, 111683, 163229, 192907, 2121977]

約数ペア:

[(1, 2121977), (11, 192907), (13, 163229), (19, 111683), (71, 29887), (121, 17537), (143, 14839), (209, 10153), (247, 8591), (781, 2717), (923, 2299), (1349, 1573)]