21408082920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30449}}^1$

素因数の和:30510

約数の個数: 320

約数和(自身を含む): 84889728000

約数和(自身を除く): 63481645080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 81, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 162, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 324, 360, 372, 378, 405, 420, 434, 465, 504, 540, 558, 567, 620, 630, 648, 651, 744, 756, 810, 837, 840, 868, 930, 945, 1080, 1085, 1116, 1134, 1240, 1260, 1302, 1395, 1512, 1620, 1674, 1736, 1860, 1890, 1953, 2170, 2232, 2268, 2511, 2520, 2604, 2790, 2835, 3240, 3255, 3348, 3720, 3780, 3906, 4185, 4340, 4536, 5022, 5208, 5580, 5670, 5859, 6510, 6696, 7560, 7812, 8370, 8680, 9765, 10044, 11160, 11340, 11718, 12555, 13020, 15624, 16740, 17577, 19530, 20088, 22680, 23436, 25110, 26040, 29295, 30449, 33480, 35154, 39060, 46872, 50220, 58590, 60898, 70308, 78120, 87885, 91347, 100440, 117180, 121796, 140616, 152245, 175770, 182694, 213143, 234360, 243592, 274041, 304490, 351540, 365388, 426286, 456735, 548082, 608980, 639429, 703080, 730776, 822123, 852572, 913470, 943919, 1065715, 1096164, 1217960, 1278858, 1370205, 1644246, 1705144, 1826940, 1887838, 1918287, 2131430, 2192328, 2466369, 2557716, 2740410, 2831757, 3197145, 3288492, 3653880, 3775676, 3836574, 4110615, 4262860, 4719595, 4932738, 5115432, 5480820, 5663514, 5754861, 6394290, 6576984, 6607433, 7551352, 7673148, 8221230, 8495271, 8525720, 9439190, 9591435, 9865476, 10961640, 11327028, 11509722, 12331845, 12788580, 13214866, 14158785, 15346296, 16442460, 16990542, 17264583, 18878380, 19182870, 19730952, 19822299, 22654056, 23019444, 24663690, 25485813, 25577160, 26429732, 28317570, 28774305, 32884920, 33037165, 33981084, 34529166, 37756760, 38365740, 39644598, 42476355, 46038888, 49327380, 50971626, 52859464, 56635140, 57548610, 59466897, 66074330, 67962168, 69058332, 76457439, 76731480, 79289196, 84952710, 86322915, 98654760, 99111495, 101943252, 113270280, 115097220, 118933794, 127429065, 132148660, 138116664, 152914878, 158578392, 169905420, 172645830, 178400691, 198222990, 203886504, 230194440, 237867588, 254858130, 264297320, 297334485, 305829756, 339810840, 345291660, 356801382, 382287195, 396445980, 475735176, 509716260, 535202073, 594668970, 611659512, 690583320, 713602764, 764574390, 792891960, 892003455, 1019432520, 1070404146, 1189337940, 1427205528, 1529148780, 1784006910, 2140808292, 2378675880, 2676010365, 3058297560, 3568013820, 4281616584, 5352020730, 7136027640, 10704041460, 21408082920]

約数ペア:

[(1, 21408082920), (2, 10704041460), (3, 7136027640), (4, 5352020730), (5, 4281616584), (6, 3568013820), (7, 3058297560), (8, 2676010365), (9, 2378675880), (10, 2140808292), (12, 1784006910), (14, 1529148780), (15, 1427205528), (18, 1189337940), (20, 1070404146), (21, 1019432520), (24, 892003455), (27, 792891960), (28, 764574390), (30, 713602764), (31, 690583320), (35, 611659512), (36, 594668970), (40, 535202073), (42, 509716260), (45, 475735176), (54, 396445980), (56, 382287195), (60, 356801382), (62, 345291660), (63, 339810840), (70, 305829756), (72, 297334485), (81, 264297320), (84, 254858130), (90, 237867588), (93, 230194440), (105, 203886504), (108, 198222990), (120, 178400691), (124, 172645830), (126, 169905420), (135, 158578392), (140, 152914878), (155, 138116664), (162, 132148660), (168, 127429065), (180, 118933794), (186, 115097220), (189, 113270280), (210, 101943252), (216, 99111495), (217, 98654760), (248, 86322915), (252, 84952710), (270, 79289196), (279, 76731480), (280, 76457439), (310, 69058332), (315, 67962168), (324, 66074330), (360, 59466897), (372, 57548610), (378, 56635140), (405, 52859464), (420, 50971626), (434, 49327380), (465, 46038888), (504, 42476355), (540, 39644598), (558, 38365740), (567, 37756760), (620, 34529166), (630, 33981084), (648, 33037165), (651, 32884920), (744, 28774305), (756, 28317570), (810, 26429732), (837, 25577160), (840, 25485813), (868, 24663690), (930, 23019444), (945, 22654056), (1080, 19822299), (1085, 19730952), (1116, 19182870), (1134, 18878380), (1240, 17264583), (1260, 16990542), (1302, 16442460), (1395, 15346296), (1512, 14158785), (1620, 13214866), (1674, 12788580), (1736, 12331845), (1860, 11509722), (1890, 11327028), (1953, 10961640), (2170, 9865476), (2232, 9591435), (2268, 9439190), (2511, 8525720), (2520, 8495271), (2604, 8221230), (2790, 7673148), (2835, 7551352), (3240, 6607433), (3255, 6576984), (3348, 6394290), (3720, 5754861), (3780, 5663514), (3906, 5480820), (4185, 5115432), (4340, 4932738), (4536, 4719595), (5022, 4262860), (5208, 4110615), (5580, 3836574), (5670, 3775676), (5859, 3653880), (6510, 3288492), (6696, 3197145), (7560, 2831757), (7812, 2740410), (8370, 2557716), (8680, 2466369), (9765, 2192328), (10044, 2131430), (11160, 1918287), (11340, 1887838), (11718, 1826940), (12555, 1705144), (13020, 1644246), (15624, 1370205), (16740, 1278858), (17577, 1217960), (19530, 1096164), (20088, 1065715), (22680, 943919), (23436, 913470), (25110, 852572), (26040, 822123), (29295, 730776), (30449, 703080), (33480, 639429), (35154, 608980), (39060, 548082), (46872, 456735), (50220, 426286), (58590, 365388), (60898, 351540), (70308, 304490), (78120, 274041), (87885, 243592), (91347, 234360), (100440, 213143), (117180, 182694), (121796, 175770), (140616, 152245)]