21700891520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7219}}^1$

素因数の和:7317

約数の個数: 256

約数和(自身を含む): 65749363200

約数和(自身を除く): 44048471680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 61, 64, 70, 77, 80, 88, 110, 112, 122, 128, 140, 154, 160, 176, 220, 224, 244, 280, 305, 308, 320, 352, 385, 427, 440, 448, 488, 560, 610, 616, 640, 671, 704, 770, 854, 880, 896, 976, 1120, 1220, 1232, 1342, 1408, 1540, 1708, 1760, 1952, 2135, 2240, 2440, 2464, 2684, 3080, 3355, 3416, 3520, 3904, 4270, 4480, 4697, 4880, 4928, 5368, 6160, 6710, 6832, 7040, 7219, 7808, 8540, 9394, 9760, 9856, 10736, 12320, 13420, 13664, 14438, 17080, 18788, 19520, 21472, 23485, 24640, 26840, 27328, 28876, 34160, 36095, 37576, 39040, 42944, 46970, 49280, 50533, 53680, 54656, 57752, 68320, 72190, 75152, 79409, 85888, 93940, 101066, 107360, 115504, 136640, 144380, 150304, 158818, 187880, 202132, 214720, 231008, 252665, 273280, 288760, 300608, 317636, 375760, 397045, 404264, 429440, 440359, 462016, 505330, 555863, 577520, 601216, 635272, 751520, 794090, 808528, 880718, 924032, 1010660, 1111726, 1155040, 1270544, 1503040, 1588180, 1617056, 1761436, 2021320, 2201795, 2223452, 2310080, 2541088, 2779315, 3006080, 3082513, 3176360, 3234112, 3522872, 4042640, 4403590, 4446904, 4620160, 4843949, 5082176, 5558630, 6165026, 6352720, 6468224, 7045744, 8085280, 8807180, 8893808, 9687898, 10164352, 11117260, 12330052, 12705440, 14091488, 15412565, 16170560, 17614360, 17787616, 19375796, 22234520, 24219745, 24660104, 25410880, 28182976, 30825130, 32341120, 33907643, 35228720, 35575232, 38751592, 44469040, 48439490, 49320208, 50821760, 56365952, 61650260, 67815286, 70457440, 71150464, 77503184, 88938080, 96878980, 98640416, 123300520, 135630572, 140914880, 155006368, 169538215, 177876160, 193757960, 197280832, 246601040, 271261144, 281829760, 310012736, 339076430, 355752320, 387515920, 394561664, 493202080, 542522288, 620025472, 678152860, 775031840, 986404160, 1085044576, 1356305720, 1550063680, 1972808320, 2170089152, 2712611440, 3100127360, 4340178304, 5425222880, 10850445760, 21700891520]

約数ペア:

[(1, 21700891520), (2, 10850445760), (4, 5425222880), (5, 4340178304), (7, 3100127360), (8, 2712611440), (10, 2170089152), (11, 1972808320), (14, 1550063680), (16, 1356305720), (20, 1085044576), (22, 986404160), (28, 775031840), (32, 678152860), (35, 620025472), (40, 542522288), (44, 493202080), (55, 394561664), (56, 387515920), (61, 355752320), (64, 339076430), (70, 310012736), (77, 281829760), (80, 271261144), (88, 246601040), (110, 197280832), (112, 193757960), (122, 177876160), (128, 169538215), (140, 155006368), (154, 140914880), (160, 135630572), (176, 123300520), (220, 98640416), (224, 96878980), (244, 88938080), (280, 77503184), (305, 71150464), (308, 70457440), (320, 67815286), (352, 61650260), (385, 56365952), (427, 50821760), (440, 49320208), (448, 48439490), (488, 44469040), (560, 38751592), (610, 35575232), (616, 35228720), (640, 33907643), (671, 32341120), (704, 30825130), (770, 28182976), (854, 25410880), (880, 24660104), (896, 24219745), (976, 22234520), (1120, 19375796), (1220, 17787616), (1232, 17614360), (1342, 16170560), (1408, 15412565), (1540, 14091488), (1708, 12705440), (1760, 12330052), (1952, 11117260), (2135, 10164352), (2240, 9687898), (2440, 8893808), (2464, 8807180), (2684, 8085280), (3080, 7045744), (3355, 6468224), (3416, 6352720), (3520, 6165026), (3904, 5558630), (4270, 5082176), (4480, 4843949), (4697, 4620160), (4880, 4446904), (4928, 4403590), (5368, 4042640), (6160, 3522872), (6710, 3234112), (6832, 3176360), (7040, 3082513), (7219, 3006080), (7808, 2779315), (8540, 2541088), (9394, 2310080), (9760, 2223452), (9856, 2201795), (10736, 2021320), (12320, 1761436), (13420, 1617056), (13664, 1588180), (14438, 1503040), (17080, 1270544), (18788, 1155040), (19520, 1111726), (21472, 1010660), (23485, 924032), (24640, 880718), (26840, 808528), (27328, 794090), (28876, 751520), (34160, 635272), (36095, 601216), (37576, 577520), (39040, 555863), (42944, 505330), (46970, 462016), (49280, 440359), (50533, 429440), (53680, 404264), (54656, 397045), (57752, 375760), (68320, 317636), (72190, 300608), (75152, 288760), (79409, 273280), (85888, 252665), (93940, 231008), (101066, 214720), (107360, 202132), (115504, 187880), (136640, 158818), (144380, 150304)]