21490483080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{787}}^1$

素因数の和:1100

約数の個数: 256

約数和(自身を含む): 71405660160

約数和(自身を除く): 49915177080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 137, 151, 165, 220, 264, 274, 302, 330, 411, 440, 453, 548, 604, 660, 685, 755, 787, 822, 906, 1096, 1208, 1320, 1370, 1507, 1510, 1574, 1644, 1661, 1812, 2055, 2265, 2361, 2740, 3014, 3020, 3148, 3288, 3322, 3624, 3935, 4110, 4521, 4530, 4722, 4983, 5480, 6028, 6040, 6296, 6644, 7535, 7870, 8220, 8305, 8657, 9042, 9060, 9444, 9966, 11805, 12056, 13288, 15070, 15740, 16440, 16610, 17314, 18084, 18120, 18888, 19932, 20687, 22605, 23610, 24915, 25971, 30140, 31480, 33220, 34628, 36168, 39864, 41374, 43285, 45210, 47220, 49830, 51942, 60280, 62061, 66440, 69256, 82748, 86570, 90420, 94440, 99660, 103435, 103884, 107819, 118837, 124122, 129855, 165496, 173140, 180840, 199320, 206870, 207768, 215638, 227557, 237674, 248244, 259710, 310305, 323457, 346280, 356511, 413740, 431276, 455114, 475348, 496488, 519420, 539095, 594185, 620610, 646914, 682671, 713022, 827480, 862552, 910228, 950696, 1038840, 1078190, 1137785, 1186009, 1188370, 1241220, 1293828, 1307207, 1365342, 1426044, 1617285, 1782555, 1820456, 2156380, 2275570, 2372018, 2376740, 2482440, 2587656, 2614414, 2730684, 2852088, 3234570, 3413355, 3558027, 3565110, 3921621, 4312760, 4551140, 4744036, 4753480, 5228828, 5461368, 5930045, 6469140, 6536035, 6826710, 7116054, 7130220, 7843242, 9102280, 9488072, 10457656, 11860090, 12938280, 13072070, 13653420, 14232108, 14260440, 15686484, 16280669, 17790135, 19608105, 23720180, 26144140, 27306840, 28464216, 31372968, 32561338, 35580270, 39216210, 47440360, 48842007, 52288280, 65122676, 71160540, 78432420, 81403345, 97684014, 130245352, 142321080, 156864840, 162806690, 179087359, 195368028, 244210035, 325613380, 358174718, 390736056, 488420070, 537262077, 651226760, 716349436, 895436795, 976840140, 1074524154, 1432698872, 1790873590, 1953680280, 2149048308, 2686310385, 3581747180, 4298096616, 5372620770, 7163494360, 10745241540, 21490483080]

約数ペア:

[(1, 21490483080), (2, 10745241540), (3, 7163494360), (4, 5372620770), (5, 4298096616), (6, 3581747180), (8, 2686310385), (10, 2149048308), (11, 1953680280), (12, 1790873590), (15, 1432698872), (20, 1074524154), (22, 976840140), (24, 895436795), (30, 716349436), (33, 651226760), (40, 537262077), (44, 488420070), (55, 390736056), (60, 358174718), (66, 325613380), (88, 244210035), (110, 195368028), (120, 179087359), (132, 162806690), (137, 156864840), (151, 142321080), (165, 130245352), (220, 97684014), (264, 81403345), (274, 78432420), (302, 71160540), (330, 65122676), (411, 52288280), (440, 48842007), (453, 47440360), (548, 39216210), (604, 35580270), (660, 32561338), (685, 31372968), (755, 28464216), (787, 27306840), (822, 26144140), (906, 23720180), (1096, 19608105), (1208, 17790135), (1320, 16280669), (1370, 15686484), (1507, 14260440), (1510, 14232108), (1574, 13653420), (1644, 13072070), (1661, 12938280), (1812, 11860090), (2055, 10457656), (2265, 9488072), (2361, 9102280), (2740, 7843242), (3014, 7130220), (3020, 7116054), (3148, 6826710), (3288, 6536035), (3322, 6469140), (3624, 5930045), (3935, 5461368), (4110, 5228828), (4521, 4753480), (4530, 4744036), (4722, 4551140), (4983, 4312760), (5480, 3921621), (6028, 3565110), (6040, 3558027), (6296, 3413355), (6644, 3234570), (7535, 2852088), (7870, 2730684), (8220, 2614414), (8305, 2587656), (8657, 2482440), (9042, 2376740), (9060, 2372018), (9444, 2275570), (9966, 2156380), (11805, 1820456), (12056, 1782555), (13288, 1617285), (15070, 1426044), (15740, 1365342), (16440, 1307207), (16610, 1293828), (17314, 1241220), (18084, 1188370), (18120, 1186009), (18888, 1137785), (19932, 1078190), (20687, 1038840), (22605, 950696), (23610, 910228), (24915, 862552), (25971, 827480), (30140, 713022), (31480, 682671), (33220, 646914), (34628, 620610), (36168, 594185), (39864, 539095), (41374, 519420), (43285, 496488), (45210, 475348), (47220, 455114), (49830, 431276), (51942, 413740), (60280, 356511), (62061, 346280), (66440, 323457), (69256, 310305), (82748, 259710), (86570, 248244), (90420, 237674), (94440, 227557), (99660, 215638), (103435, 207768), (103884, 206870), (107819, 199320), (118837, 180840), (124122, 173140), (129855, 165496)]