21032891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2917189

約数列:

[1, 11, 43, 53, 473, 583, 839, 2279, 9229, 25069, 36077, 44467, 396847, 489137, 1912081, 21032891]

約数ペア:

[(1, 21032891), (11, 1912081), (43, 489137), (53, 396847), (473, 44467), (583, 36077), (839, 25069), (2279, 9229)]