20211631245

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{677447}}^1$

素因数の和:677491

約数の個数: 64

約数和(自身を含む): 40972055040

約数和(自身を除く): 20760423795

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 459, 585, 663, 765, 1105, 1755, 1989, 2295, 3315, 5967, 9945, 29835, 677447, 2032341, 3387235, 6097023, 8806811, 10161705, 11516599, 18291069, 26420433, 30485115, 34549797, 44034055, 57582995, 79261299, 91455345, 103649391, 132102165, 149715787, 172748985, 237783897, 310948173, 396306495, 449147361, 518246955, 748578935, 1188919485, 1347442083, 1554740865, 2245736805, 4042326249, 6737210415, 20211631245]

約数ペア:

[(1, 20211631245), (3, 6737210415), (5, 4042326249), (9, 2245736805), (13, 1554740865), (15, 1347442083), (17, 1188919485), (27, 748578935), (39, 518246955), (45, 449147361), (51, 396306495), (65, 310948173), (85, 237783897), (117, 172748985), (135, 149715787), (153, 132102165), (195, 103649391), (221, 91455345), (255, 79261299), (351, 57582995), (459, 44034055), (585, 34549797), (663, 30485115), (765, 26420433), (1105, 18291069), (1755, 11516599), (1989, 10161705), (2295, 8806811), (3315, 6097023), (5967, 3387235), (9945, 2032341), (29835, 677447)]