21391189120

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:332

約数の個数: 384

約数和(自身を含む): 61887006720

約数和(自身を除く): 40495817600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 127, 128, 131, 140, 160, 164, 196, 205, 224, 245, 254, 262, 280, 287, 320, 328, 392, 410, 448, 490, 508, 524, 560, 574, 635, 640, 655, 656, 784, 820, 889, 896, 917, 980, 1016, 1048, 1120, 1148, 1270, 1310, 1312, 1435, 1568, 1640, 1778, 1834, 1960, 2009, 2032, 2096, 2240, 2296, 2540, 2620, 2624, 2870, 3136, 3280, 3556, 3668, 3920, 4018, 4064, 4192, 4445, 4480, 4585, 4592, 5080, 5207, 5240, 5248, 5371, 5740, 6223, 6272, 6419, 6560, 7112, 7336, 7840, 8036, 8128, 8384, 8890, 9170, 9184, 10045, 10160, 10414, 10480, 10742, 11480, 12446, 12838, 13120, 14224, 14672, 15680, 16072, 16256, 16637, 16768, 17780, 18340, 18368, 20090, 20320, 20828, 20960, 21484, 22960, 24892, 25676, 26035, 26240, 26855, 28448, 29344, 31115, 31360, 32095, 32144, 33274, 35560, 36449, 36680, 36736, 37597, 40180, 40640, 41656, 41920, 42968, 45920, 49784, 51352, 52070, 53710, 56896, 58688, 62230, 64190, 64288, 66548, 71120, 72898, 73360, 75194, 80360, 81280, 83185, 83312, 83840, 85936, 91840, 99568, 102704, 104140, 107420, 113792, 116459, 117376, 124460, 128380, 128576, 133096, 142240, 145796, 146720, 150388, 160720, 166370, 166624, 171872, 182245, 183680, 187985, 199136, 205408, 208280, 214840, 232918, 248920, 255143, 256760, 257152, 263179, 266192, 284480, 291592, 293440, 300776, 321440, 332740, 333248, 343744, 364490, 375970, 398272, 410816, 416560, 429680, 465836, 497840, 510286, 513520, 526358, 532384, 568960, 582295, 583184, 586880, 601552, 642880, 665480, 666496, 682117, 687488, 728980, 751940, 796544, 815213, 821632, 833120, 859360, 931672, 995680, 1020572, 1027040, 1052716, 1064768, 1164590, 1166368, 1203104, 1275715, 1285760, 1315895, 1330960, 1364234, 1457960, 1503880, 1630426, 1666240, 1718720, 1863344, 1991360, 2041144, 2054080, 2105432, 2129536, 2329180, 2332736, 2406208, 2551430, 2631790, 2661920, 2728468, 2915920, 3007760, 3260852, 3332480, 3410585, 3437440, 3726688, 3982720, 4076065, 4082288, 4108160, 4210864, 4658360, 4665472, 4774819, 4812416, 5102860, 5263580, 5323840, 5456936, 5831840, 6015520, 6521704, 6821170, 7453376, 8152130, 8164576, 8421728, 9316720, 9549638, 10205720, 10527160, 10647680, 10913872, 11663680, 12031040, 13043408, 13642340, 14906752, 16304260, 16329152, 16843456, 18633440, 19099276, 20411440, 21054320, 21827744, 23327360, 23874095, 24062080, 26086816, 27284680, 32608520, 32658304, 33423733, 33686912, 37266880, 38198552, 40822880, 42108640, 43655488, 47748190, 52173632, 54569360, 65217040, 66847466, 74533760, 76397104, 81645760, 84217280, 87310976, 95496380, 104347264, 109138720, 130434080, 133694932, 152794208, 163291520, 167118665, 168434560, 190992760, 218277440, 260868160, 267389864, 305588416, 334237330, 381985520, 436554880, 521736320, 534779728, 611176832, 668474660, 763971040, 1069559456, 1336949320, 1527942080, 2139118912, 2673898640, 3055884160, 4278237824, 5347797280, 10695594560, 21391189120]

約数ペア:

[(1, 21391189120), (2, 10695594560), (4, 5347797280), (5, 4278237824), (7, 3055884160), (8, 2673898640), (10, 2139118912), (14, 1527942080), (16, 1336949320), (20, 1069559456), (28, 763971040), (32, 668474660), (35, 611176832), (40, 534779728), (41, 521736320), (49, 436554880), (56, 381985520), (64, 334237330), (70, 305588416), (80, 267389864), (82, 260868160), (98, 218277440), (112, 190992760), (127, 168434560), (128, 167118665), (131, 163291520), (140, 152794208), (160, 133694932), (164, 130434080), (196, 109138720), (205, 104347264), (224, 95496380), (245, 87310976), (254, 84217280), (262, 81645760), (280, 76397104), (287, 74533760), (320, 66847466), (328, 65217040), (392, 54569360), (410, 52173632), (448, 47748190), (490, 43655488), (508, 42108640), (524, 40822880), (560, 38198552), (574, 37266880), (635, 33686912), (640, 33423733), (655, 32658304), (656, 32608520), (784, 27284680), (820, 26086816), (889, 24062080), (896, 23874095), (917, 23327360), (980, 21827744), (1016, 21054320), (1048, 20411440), (1120, 19099276), (1148, 18633440), (1270, 16843456), (1310, 16329152), (1312, 16304260), (1435, 14906752), (1568, 13642340), (1640, 13043408), (1778, 12031040), (1834, 11663680), (1960, 10913872), (2009, 10647680), (2032, 10527160), (2096, 10205720), (2240, 9549638), (2296, 9316720), (2540, 8421728), (2620, 8164576), (2624, 8152130), (2870, 7453376), (3136, 6821170), (3280, 6521704), (3556, 6015520), (3668, 5831840), (3920, 5456936), (4018, 5323840), (4064, 5263580), (4192, 5102860), (4445, 4812416), (4480, 4774819), (4585, 4665472), (4592, 4658360), (5080, 4210864), (5207, 4108160), (5240, 4082288), (5248, 4076065), (5371, 3982720), (5740, 3726688), (6223, 3437440), (6272, 3410585), (6419, 3332480), (6560, 3260852), (7112, 3007760), (7336, 2915920), (7840, 2728468), (8036, 2661920), (8128, 2631790), (8384, 2551430), (8890, 2406208), (9170, 2332736), (9184, 2329180), (10045, 2129536), (10160, 2105432), (10414, 2054080), (10480, 2041144), (10742, 1991360), (11480, 1863344), (12446, 1718720), (12838, 1666240), (13120, 1630426), (14224, 1503880), (14672, 1457960), (15680, 1364234), (16072, 1330960), (16256, 1315895), (16637, 1285760), (16768, 1275715), (17780, 1203104), (18340, 1166368), (18368, 1164590), (20090, 1064768), (20320, 1052716), (20828, 1027040), (20960, 1020572), (21484, 995680), (22960, 931672), (24892, 859360), (25676, 833120), (26035, 821632), (26240, 815213), (26855, 796544), (28448, 751940), (29344, 728980), (31115, 687488), (31360, 682117), (32095, 666496), (32144, 665480), (33274, 642880), (35560, 601552), (36449, 586880), (36680, 583184), (36736, 582295), (37597, 568960), (40180, 532384), (40640, 526358), (41656, 513520), (41920, 510286), (42968, 497840), (45920, 465836), (49784, 429680), (51352, 416560), (52070, 410816), (53710, 398272), (56896, 375970), (58688, 364490), (62230, 343744), (64190, 333248), (64288, 332740), (66548, 321440), (71120, 300776), (72898, 293440), (73360, 291592), (75194, 284480), (80360, 266192), (81280, 263179), (83185, 257152), (83312, 256760), (83840, 255143), (85936, 248920), (91840, 232918), (99568, 214840), (102704, 208280), (104140, 205408), (107420, 199136), (113792, 187985), (116459, 183680), (117376, 182245), (124460, 171872), (128380, 166624), (128576, 166370), (133096, 160720), (142240, 150388), (145796, 146720)]