21482967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 32472576

約数和(自身を除く): 10989609

約数列:

[1, 3, 11, 33, 53, 71, 159, 173, 213, 519, 583, 781, 1749, 1903, 2343, 3763, 5709, 9169, 11289, 12283, 27507, 36849, 41393, 100859, 124179, 135113, 302577, 405339, 650999, 1952997, 7160989, 21482967]

約数ペア:

[(1, 21482967), (3, 7160989), (11, 1952997), (33, 650999), (53, 405339), (71, 302577), (159, 135113), (173, 124179), (213, 100859), (519, 41393), (583, 36849), (781, 27507), (1749, 12283), (1903, 11289), (2343, 9169), (3763, 5709)]