21031490887

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9923}}^1\times {\mathrm{10141}}^1$

素因数の和:20094

約数の個数: 16

約数和(自身を含む): 24155809920

約数和(自身を除く): 3124319033

約数列:

[1, 11, 19, 209, 9923, 10141, 109153, 111551, 188537, 192679, 2073907, 2119469, 100629143, 1106920573, 1911953717, 21031490887]

約数ペア:

[(1, 21031490887), (11, 1911953717), (19, 1106920573), (209, 100629143), (9923, 2119469), (10141, 2073907), (109153, 192679), (111551, 188537)]