21656023920

素因数分解:

$2^4\times 3^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:866

約数の個数: 400

約数和(自身を含む): 80065545120

約数和(自身を除く): 58409521200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 102, 108, 120, 135, 136, 144, 153, 162, 170, 180, 204, 216, 240, 243, 255, 270, 272, 306, 324, 340, 360, 405, 408, 432, 459, 486, 510, 540, 612, 648, 680, 720, 729, 765, 809, 810, 816, 918, 972, 1020, 1080, 1215, 1224, 1296, 1360, 1377, 1458, 1530, 1618, 1620, 1836, 1944, 2040, 2160, 2187, 2295, 2427, 2430, 2448, 2754, 2916, 3060, 3236, 3240, 3645, 3672, 3888, 4045, 4080, 4131, 4374, 4590, 4854, 4860, 5508, 5832, 6120, 6472, 6480, 6561, 6885, 7281, 7290, 7344, 8090, 8262, 8748, 9180, 9708, 9720, 10935, 11016, 11664, 12135, 12240, 12393, 12944, 13122, 13753, 13770, 14562, 14580, 16180, 16524, 17496, 18360, 19416, 19440, 19683, 20655, 21843, 21870, 22032, 24270, 24786, 26244, 27506, 27540, 29124, 29160, 32360, 32805, 33048, 34992, 36405, 36720, 37179, 38832, 39366, 41259, 41310, 43686, 43740, 48540, 49572, 52488, 55012, 55080, 58248, 58320, 61965, 64720, 65529, 65610, 66096, 68765, 72810, 74358, 78732, 82518, 82620, 87372, 87480, 97080, 98415, 99144, 104976, 109215, 110024, 110160, 111537, 116496, 123777, 123930, 131058, 131220, 137530, 145620, 148716, 157464, 165036, 165240, 174744, 174960, 185895, 194160, 196587, 196830, 198288, 206295, 218430, 220048, 223074, 247554, 247860, 262116, 262440, 275060, 291240, 297432, 314928, 327645, 330072, 330480, 334611, 349488, 371331, 371790, 393174, 393660, 412590, 436860, 446148, 495108, 495720, 524232, 524880, 550120, 557685, 582480, 589761, 594864, 618885, 655290, 660144, 669222, 742662, 743580, 786348, 787320, 825180, 873720, 892296, 982935, 990216, 991440, 1048464, 1100240, 1113993, 1115370, 1179522, 1237770, 1310580, 1338444, 1485324, 1487160, 1572696, 1574640, 1650360, 1673055, 1747440, 1769283, 1784592, 1856655, 1965870, 1980432, 2227986, 2230740, 2359044, 2475540, 2621160, 2676888, 2948805, 2970648, 2974320, 3145392, 3300720, 3341979, 3346110, 3538566, 3713310, 3931740, 4455972, 4461480, 4718088, 4951080, 5242320, 5307849, 5353776, 5569965, 5897610, 5941296, 6683958, 6692220, 7077132, 7426620, 7863480, 8846415, 8911944, 8922960, 9436176, 9902160, 10025937, 10615698, 11139930, 11795220, 13367916, 13384440, 14154264, 14853240, 15726960, 15923547, 16709895, 17692830, 17823888, 20051874, 21231396, 22279860, 23590440, 26539245, 26735832, 26768880, 28308528, 29706480, 30077811, 31847094, 33419790, 35385660, 40103748, 42462792, 44559720, 47180880, 50129685, 53078490, 53471664, 60155622, 63694188, 66839580, 70771320, 79617735, 80207496, 84925584, 89119440, 90233433, 100259370, 106156980, 120311244, 127388376, 133679160, 141542640, 150389055, 159235470, 160414992, 180466866, 200518740, 212313960, 240622488, 254776752, 267358320, 270700299, 300778110, 318470940, 360933732, 401037480, 424627920, 451167165, 481244976, 541400598, 601556220, 636941880, 721867464, 802074960, 902334330, 1082801196, 1203112440, 1273883760, 1353501495, 1443734928, 1804668660, 2165602392, 2406224880, 2707002990, 3609337320, 4331204784, 5414005980, 7218674640, 10828011960, 21656023920]

約数ペア:

[(1, 21656023920), (2, 10828011960), (3, 7218674640), (4, 5414005980), (5, 4331204784), (6, 3609337320), (8, 2707002990), (9, 2406224880), (10, 2165602392), (12, 1804668660), (15, 1443734928), (16, 1353501495), (17, 1273883760), (18, 1203112440), (20, 1082801196), (24, 902334330), (27, 802074960), (30, 721867464), (34, 636941880), (36, 601556220), (40, 541400598), (45, 481244976), (48, 451167165), (51, 424627920), (54, 401037480), (60, 360933732), (68, 318470940), (72, 300778110), (80, 270700299), (81, 267358320), (85, 254776752), (90, 240622488), (102, 212313960), (108, 200518740), (120, 180466866), (135, 160414992), (136, 159235470), (144, 150389055), (153, 141542640), (162, 133679160), (170, 127388376), (180, 120311244), (204, 106156980), (216, 100259370), (240, 90233433), (243, 89119440), (255, 84925584), (270, 80207496), (272, 79617735), (306, 70771320), (324, 66839580), (340, 63694188), (360, 60155622), (405, 53471664), (408, 53078490), (432, 50129685), (459, 47180880), (486, 44559720), (510, 42462792), (540, 40103748), (612, 35385660), (648, 33419790), (680, 31847094), (720, 30077811), (729, 29706480), (765, 28308528), (809, 26768880), (810, 26735832), (816, 26539245), (918, 23590440), (972, 22279860), (1020, 21231396), (1080, 20051874), (1215, 17823888), (1224, 17692830), (1296, 16709895), (1360, 15923547), (1377, 15726960), (1458, 14853240), (1530, 14154264), (1618, 13384440), (1620, 13367916), (1836, 11795220), (1944, 11139930), (2040, 10615698), (2160, 10025937), (2187, 9902160), (2295, 9436176), (2427, 8922960), (2430, 8911944), (2448, 8846415), (2754, 7863480), (2916, 7426620), (3060, 7077132), (3236, 6692220), (3240, 6683958), (3645, 5941296), (3672, 5897610), (3888, 5569965), (4045, 5353776), (4080, 5307849), (4131, 5242320), (4374, 4951080), (4590, 4718088), (4854, 4461480), (4860, 4455972), (5508, 3931740), (5832, 3713310), (6120, 3538566), (6472, 3346110), (6480, 3341979), (6561, 3300720), (6885, 3145392), (7281, 2974320), (7290, 2970648), (7344, 2948805), (8090, 2676888), (8262, 2621160), (8748, 2475540), (9180, 2359044), (9708, 2230740), (9720, 2227986), (10935, 1980432), (11016, 1965870), (11664, 1856655), (12135, 1784592), (12240, 1769283), (12393, 1747440), (12944, 1673055), (13122, 1650360), (13753, 1574640), (13770, 1572696), (14562, 1487160), (14580, 1485324), (16180, 1338444), (16524, 1310580), (17496, 1237770), (18360, 1179522), (19416, 1115370), (19440, 1113993), (19683, 1100240), (20655, 1048464), (21843, 991440), (21870, 990216), (22032, 982935), (24270, 892296), (24786, 873720), (26244, 825180), (27506, 787320), (27540, 786348), (29124, 743580), (29160, 742662), (32360, 669222), (32805, 660144), (33048, 655290), (34992, 618885), (36405, 594864), (36720, 589761), (37179, 582480), (38832, 557685), (39366, 550120), (41259, 524880), (41310, 524232), (43686, 495720), (43740, 495108), (48540, 446148), (49572, 436860), (52488, 412590), (55012, 393660), (55080, 393174), (58248, 371790), (58320, 371331), (61965, 349488), (64720, 334611), (65529, 330480), (65610, 330072), (66096, 327645), (68765, 314928), (72810, 297432), (74358, 291240), (78732, 275060), (82518, 262440), (82620, 262116), (87372, 247860), (87480, 247554), (97080, 223074), (98415, 220048), (99144, 218430), (104976, 206295), (109215, 198288), (110024, 196830), (110160, 196587), (111537, 194160), (116496, 185895), (123777, 174960), (123930, 174744), (131058, 165240), (131220, 165036), (137530, 157464), (145620, 148716)]