21463578

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 28069542

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 97, 114, 171, 194, 291, 342, 582, 647, 873, 1294, 1746, 1843, 1941, 3686, 3882, 5529, 5823, 11058, 11646, 12293, 16587, 24586, 33174, 36879, 62759, 73758, 110637, 125518, 188277, 221274, 376554, 564831, 1129662, 1192421, 2384842, 3577263, 7154526, 10731789, 21463578]

約数ペア:

[(1, 21463578), (2, 10731789), (3, 7154526), (6, 3577263), (9, 2384842), (18, 1192421), (19, 1129662), (38, 564831), (57, 376554), (97, 221274), (114, 188277), (171, 125518), (194, 110637), (291, 73758), (342, 62759), (582, 36879), (647, 33174), (873, 24586), (1294, 16587), (1746, 12293), (1843, 11646), (1941, 11058), (3686, 5823), (3882, 5529)]