21577998960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4281349}}^1$

素因数の和:4281375

約数の個数: 120

約数和(自身を含む): 82818434400

約数和(自身を除く): 61240435440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 4281349, 8562698, 12844047, 17125396, 21406745, 25688094, 29969443, 34250792, 38532141, 42813490, 51376188, 59938886, 64220235, 68501584, 77064282, 85626980, 89908329, 102752376, 119877772, 128440470, 149847215, 154128564, 171253960, 179816658, 192660705, 205504752, 239755544, 256880940, 269724987, 299694430, 308257128, 342507920, 359633316, 385321410, 449541645, 479511088, 513761880, 539449974, 599388860, 616514256, 719266632, 770642820, 899083290, 1027523760, 1078899948, 1198777720, 1348624935, 1438533264, 1541285640, 1798166580, 2157799896, 2397555440, 2697249870, 3082571280, 3596333160, 4315599792, 5394499740, 7192666320, 10788999480, 21577998960]

約数ペア:

[(1, 21577998960), (2, 10788999480), (3, 7192666320), (4, 5394499740), (5, 4315599792), (6, 3596333160), (7, 3082571280), (8, 2697249870), (9, 2397555440), (10, 2157799896), (12, 1798166580), (14, 1541285640), (15, 1438533264), (16, 1348624935), (18, 1198777720), (20, 1078899948), (21, 1027523760), (24, 899083290), (28, 770642820), (30, 719266632), (35, 616514256), (36, 599388860), (40, 539449974), (42, 513761880), (45, 479511088), (48, 449541645), (56, 385321410), (60, 359633316), (63, 342507920), (70, 308257128), (72, 299694430), (80, 269724987), (84, 256880940), (90, 239755544), (105, 205504752), (112, 192660705), (120, 179816658), (126, 171253960), (140, 154128564), (144, 149847215), (168, 128440470), (180, 119877772), (210, 102752376), (240, 89908329), (252, 85626980), (280, 77064282), (315, 68501584), (336, 64220235), (360, 59938886), (420, 51376188), (504, 42813490), (560, 38532141), (630, 34250792), (720, 29969443), (840, 25688094), (1008, 21406745), (1260, 17125396), (1680, 12844047), (2520, 8562698), (5040, 4281349)]