21000966558

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1439803}}^1$

素因数の和:1439849

約数の個数: 64

約数和(自身を含む): 52247607552

約数和(自身を除く): 31246640994

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 143, 187, 221, 286, 374, 429, 442, 561, 663, 858, 1122, 1326, 2431, 4862, 7293, 14586, 1439803, 2879606, 4319409, 8638818, 15837833, 18717439, 24476651, 31675666, 37434878, 47513499, 48953302, 56152317, 73429953, 95026998, 112304634, 146859906, 205891829, 269243161, 318196463, 411783658, 538486322, 617675487, 636392926, 807729483, 954589389, 1235350974, 1615458966, 1909178778, 3500161093, 7000322186, 10500483279, 21000966558]

約数ペア:

[(1, 21000966558), (2, 10500483279), (3, 7000322186), (6, 3500161093), (11, 1909178778), (13, 1615458966), (17, 1235350974), (22, 954589389), (26, 807729483), (33, 636392926), (34, 617675487), (39, 538486322), (51, 411783658), (66, 318196463), (78, 269243161), (102, 205891829), (143, 146859906), (187, 112304634), (221, 95026998), (286, 73429953), (374, 56152317), (429, 48953302), (442, 47513499), (561, 37434878), (663, 31675666), (858, 24476651), (1122, 18717439), (1326, 15837833), (2431, 8638818), (4862, 4319409), (7293, 2879606), (14586, 1439803)]