21028385280

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 960

約数和(自身を含む): 87662424960

約数和(自身を除く): 66634039680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 32, 34, 35, 38, 40, 42, 48, 49, 51, 56, 57, 60, 64, 68, 70, 76, 80, 84, 85, 95, 96, 98, 102, 105, 112, 114, 119, 120, 128, 133, 136, 140, 147, 152, 160, 168, 170, 173, 190, 192, 196, 204, 210, 224, 228, 238, 240, 245, 255, 256, 266, 272, 280, 285, 294, 304, 320, 323, 336, 340, 346, 357, 380, 384, 392, 399, 408, 420, 448, 456, 476, 480, 490, 510, 512, 519, 532, 544, 560, 570, 588, 595, 608, 640, 646, 665, 672, 680, 692, 714, 735, 760, 768, 784, 798, 816, 833, 840, 865, 896, 912, 931, 952, 960, 969, 980, 1020, 1038, 1064, 1088, 1120, 1140, 1176, 1190, 1211, 1216, 1280, 1292, 1330, 1344, 1360, 1384, 1428, 1470, 1520, 1536, 1568, 1596, 1615, 1632, 1666, 1680, 1730, 1785, 1792, 1824, 1862, 1904, 1920, 1938, 1960, 1995, 2040, 2076, 2128, 2176, 2240, 2261, 2280, 2352, 2380, 2422, 2432, 2499, 2560, 2584, 2595, 2660, 2688, 2720, 2768, 2793, 2856, 2940, 2941, 3040, 3136, 3192, 3230, 3264, 3287, 3332, 3360, 3460, 3570, 3584, 3633, 3648, 3724, 3808, 3840, 3876, 3920, 3990, 4080, 4152, 4165, 4256, 4352, 4480, 4522, 4560, 4655, 4704, 4760, 4844, 4845, 4864, 4998, 5168, 5190, 5320, 5376, 5440, 5536, 5586, 5712, 5880, 5882, 6055, 6080, 6272, 6384, 6460, 6528, 6574, 6664, 6720, 6783, 6920, 7140, 7266, 7296, 7448, 7616, 7680, 7752, 7840, 7980, 8160, 8304, 8330, 8477, 8512, 8704, 8823, 8960, 9044, 9120, 9310, 9408, 9520, 9688, 9690, 9728, 9861, 9996, 10336, 10380, 10640, 10752, 10880, 11072, 11172, 11305, 11424, 11760, 11764, 12110, 12160, 12495, 12544, 12768, 12920, 13056, 13148, 13328, 13440, 13566, 13840, 13965, 14280, 14532, 14592, 14705, 14896, 15232, 15504, 15680, 15827, 15960, 16320, 16435, 16608, 16660, 16954, 17024, 17646, 17920, 18088, 18165, 18240, 18620, 18816, 19040, 19376, 19380, 19722, 19992, 20587, 20672, 20760, 21280, 21760, 22144, 22344, 22610, 22848, 23009, 23520, 23528, 24220, 24320, 24990, 25088, 25431, 25536, 25840, 26112, 26296, 26656, 26880, 27132, 27680, 27930, 28560, 29064, 29184, 29410, 29792, 30464, 31008, 31360, 31654, 31920, 32640, 32870, 33216, 33320, 33908, 33915, 34048, 35292, 36176, 36330, 36480, 37240, 37632, 38080, 38752, 38760, 39444, 39984, 41174, 41344, 41520, 42385, 42560, 43520, 44115, 44288, 44688, 45220, 45696, 46018, 47040, 47056, 47481, 48440, 48640, 49305, 49980, 50862, 51072, 51680, 52592, 53312, 53760, 54264, 55360, 55860, 55879, 57120, 58128, 58820, 59584, 60928, 61761, 62016, 62720, 63308, 63840, 65280, 65740, 66432, 66640, 67816, 67830, 68096, 69027, 70584, 72352, 72660, 72960, 74480, 75264, 76160, 77504, 77520, 78888, 79135, 79968, 82348, 82688, 83040, 84770, 85120, 88230, 88576, 89376, 90440, 91392, 92036, 94080, 94112, 94962, 96880, 98610, 99960, 101724, 102144, 102935, 103360, 105184, 106624, 108528, 110720, 111720, 111758, 114240, 115045, 116256, 117640, 119168, 123522, 124032, 125440, 126616, 127155, 127680, 130560, 131480, 132864, 133280, 135632, 135660, 138054, 141168, 144109, 144704, 145320, 145920, 148960, 152320, 155008, 155040, 157776, 158270, 159936, 161063, 164696, 165376, 166080, 167637, 169540, 170240, 176460, 178752, 180880, 182784, 184072, 188160, 188224, 189924, 193760, 197220, 199920, 203448, 204288, 205870, 206720, 210368, 213248, 217056, 221440, 223440, 223516, 228480, 230090, 232512, 235280, 237405, 238336, 247044, 248064, 253232, 254310, 255360, 262960, 265728, 266560, 271264, 271320, 276108, 279395, 282336, 288218, 289408, 290640, 297920, 304640, 308805, 310016, 310080, 315552, 316540, 319872, 322126, 329392, 332160, 335274, 339080, 340480, 345135, 352920, 357504, 361760, 368144, 376320, 376448, 379848, 387520, 391153, 394440, 399840, 406896, 411740, 413440, 420736, 426496, 432327, 434112, 442880, 446880, 447032, 456960, 460180, 465024, 470560, 474810, 476672, 483189, 494088, 496128, 506464, 508620, 510720, 525920, 533120, 542528, 542640, 552216, 558790, 564672, 576436, 578816, 581280, 595840, 617610, 620032, 620160, 631104, 633080, 639744, 644252, 658784, 664320, 670548, 678160, 690270, 705840, 715008, 720545, 723520, 736288, 752896, 759696, 775040, 782306, 788880, 799680, 805315, 813792, 823480, 826880, 838185, 841472, 864654, 868224, 893760, 894064, 913920, 920360, 930048, 941120, 949620, 966378, 988176, 1012928, 1017240, 1021440, 1051840, 1066240, 1085056, 1085280, 1104432, 1117580, 1129344, 1152872, 1157632, 1162560, 1173459, 1191680, 1235220, 1240320, 1262208, 1266160, 1279488, 1288504, 1317568, 1328640, 1341096, 1356320, 1380540, 1411680, 1430016, 1441090, 1447040, 1472576, 1505792, 1519392, 1550080, 1564612, 1577760, 1599360, 1610630, 1627584, 1646960, 1676370, 1682944, 1729308, 1736448, 1787520, 1788128, 1840720, 1860096, 1882240, 1899240, 1932756, 1955765, 1976352, 2025856, 2034480, 2103680, 2132480, 2161635, 2170112, 2170560, 2208864, 2235160, 2258688, 2305744, 2325120, 2346918, 2383360, 2415945, 2470440, 2480640, 2524416, 2532320, 2577008, 2635136, 2682192, 2712640, 2738071, 2761080, 2823360, 2882180, 2894080, 2945152, 3038784, 3100160, 3129224, 3155520, 3198720, 3221260, 3255168, 3293920, 3352740, 3458616, 3472896, 3575040, 3576256, 3681440, 3764480, 3798480, 3865512, 3911530, 3952704, 4051712, 4068960, 4207360, 4323270, 4340224, 4341120, 4417728, 4470320, 4517376, 4611488, 4650240, 4693836, 4831890, 4940880, 5048832, 5064640, 5154016, 5270272, 5364384, 5425280, 5476142, 5522160, 5646720, 5764360, 5788160, 5867295, 5890304, 6077568, 6258448, 6311040, 6397440, 6442520, 6510336, 6587840, 6705480, 6917232, 7150080, 7152512, 7362880, 7528960, 7596960, 7731024, 7823060, 7905408, 8103424, 8137920, 8214213, 8414720, 8646540, 8682240, 8835456, 8940640, 9222976, 9300480, 9387672, 9663780, 9881760, 10129280, 10308032, 10540544, 10728768, 10850560, 10952284, 11044320, 11293440, 11528720, 11734590, 11780608, 12155136, 12516896, 12622080, 12885040, 13020672, 13175680, 13410960, 13690355, 13834464, 14305024, 14725760, 15193920, 15462048, 15646120, 15810816, 16275840, 16428426, 17293080, 17364480, 17670912, 17881280, 18445952, 18775344, 19327560, 19763520, 20258560, 20616064, 21457536, 21701120, 21904568, 22088640, 22586880, 23057440, 23469180, 24310272, 25033792, 25244160, 25770080, 26351360, 26821920, 27380710, 27668928, 28610048, 29451520, 30387840, 30924096, 31292240, 31621632, 32551680, 32856852, 34586160, 35341824, 35762560, 36891904, 37550688, 38655120, 39527040, 40517120, 41071065, 41232128, 42915072, 43809136, 44177280, 46114880, 46938360, 50067584, 51540160, 52702720, 53643840, 54761420, 55337856, 58903040, 60775680, 61848192, 62584480, 65103360, 65713704, 69172320, 71525120, 73783808, 75101376, 77310240, 79054080, 82142130, 82464256, 85830144, 87618272, 88354560, 92229760, 93876720, 100135168, 103080320, 107287680, 109522840, 110675712, 121551360, 123696384, 125168960, 131427408, 138344640, 143050240, 150202752, 154620480, 158108160, 164284260, 175236544, 176709120, 184459520, 187753440, 200270336, 206160640, 214575360, 219045680, 221351424, 247392768, 250337920, 262854816, 276689280, 300405504, 309240960, 328568520, 350473088, 368919040, 375506880, 412321280, 429150720, 438091360, 500675840, 525709632, 553378560, 600811008, 618481920, 657137040, 700946176, 751013760, 876182720, 1001351680, 1051419264, 1106757120, 1236963840, 1314274080, 1401892352, 1502027520, 1752365440, 2102838528, 2628548160, 3004055040, 3504730880, 4205677056, 5257096320, 7009461760, 10514192640, 21028385280]

約数ペア:

[(1, 21028385280), (2, 10514192640), (3, 7009461760), (4, 5257096320), (5, 4205677056), (6, 3504730880), (7, 3004055040), (8, 2628548160), (10, 2102838528), (12, 1752365440), (14, 1502027520), (15, 1401892352), (16, 1314274080), (17, 1236963840), (19, 1106757120), (20, 1051419264), (21, 1001351680), (24, 876182720), (28, 751013760), (30, 700946176), (32, 657137040), (34, 618481920), (35, 600811008), (38, 553378560), (40, 525709632), (42, 500675840), (48, 438091360), (49, 429150720), (51, 412321280), (56, 375506880), (57, 368919040), (60, 350473088), (64, 328568520), (68, 309240960), (70, 300405504), (76, 276689280), (80, 262854816), (84, 250337920), (85, 247392768), (95, 221351424), (96, 219045680), (98, 214575360), (102, 206160640), (105, 200270336), (112, 187753440), (114, 184459520), (119, 176709120), (120, 175236544), (128, 164284260), (133, 158108160), (136, 154620480), (140, 150202752), (147, 143050240), (152, 138344640), (160, 131427408), (168, 125168960), (170, 123696384), (173, 121551360), (190, 110675712), (192, 109522840), (196, 107287680), (204, 103080320), (210, 100135168), (224, 93876720), (228, 92229760), (238, 88354560), (240, 87618272), (245, 85830144), (255, 82464256), (256, 82142130), (266, 79054080), (272, 77310240), (280, 75101376), (285, 73783808), (294, 71525120), (304, 69172320), (320, 65713704), (323, 65103360), (336, 62584480), (340, 61848192), (346, 60775680), (357, 58903040), (380, 55337856), (384, 54761420), (392, 53643840), (399, 52702720), (408, 51540160), (420, 50067584), (448, 46938360), (456, 46114880), (476, 44177280), (480, 43809136), (490, 42915072), (510, 41232128), (512, 41071065), (519, 40517120), (532, 39527040), (544, 38655120), (560, 37550688), (570, 36891904), (588, 35762560), (595, 35341824), (608, 34586160), (640, 32856852), (646, 32551680), (665, 31621632), (672, 31292240), (680, 30924096), (692, 30387840), (714, 29451520), (735, 28610048), (760, 27668928), (768, 27380710), (784, 26821920), (798, 26351360), (816, 25770080), (833, 25244160), (840, 25033792), (865, 24310272), (896, 23469180), (912, 23057440), (931, 22586880), (952, 22088640), (960, 21904568), (969, 21701120), (980, 21457536), (1020, 20616064), (1038, 20258560), (1064, 19763520), (1088, 19327560), (1120, 18775344), (1140, 18445952), (1176, 17881280), (1190, 17670912), (1211, 17364480), (1216, 17293080), (1280, 16428426), (1292, 16275840), (1330, 15810816), (1344, 15646120), (1360, 15462048), (1384, 15193920), (1428, 14725760), (1470, 14305024), (1520, 13834464), (1536, 13690355), (1568, 13410960), (1596, 13175680), (1615, 13020672), (1632, 12885040), (1666, 12622080), (1680, 12516896), (1730, 12155136), (1785, 11780608), (1792, 11734590), (1824, 11528720), (1862, 11293440), (1904, 11044320), (1920, 10952284), (1938, 10850560), (1960, 10728768), (1995, 10540544), (2040, 10308032), (2076, 10129280), (2128, 9881760), (2176, 9663780), (2240, 9387672), (2261, 9300480), (2280, 9222976), (2352, 8940640), (2380, 8835456), (2422, 8682240), (2432, 8646540), (2499, 8414720), (2560, 8214213), (2584, 8137920), (2595, 8103424), (2660, 7905408), (2688, 7823060), (2720, 7731024), (2768, 7596960), (2793, 7528960), (2856, 7362880), (2940, 7152512), (2941, 7150080), (3040, 6917232), (3136, 6705480), (3192, 6587840), (3230, 6510336), (3264, 6442520), (3287, 6397440), (3332, 6311040), (3360, 6258448), (3460, 6077568), (3570, 5890304), (3584, 5867295), (3633, 5788160), (3648, 5764360), (3724, 5646720), (3808, 5522160), (3840, 5476142), (3876, 5425280), (3920, 5364384), (3990, 5270272), (4080, 5154016), (4152, 5064640), (4165, 5048832), (4256, 4940880), (4352, 4831890), (4480, 4693836), (4522, 4650240), (4560, 4611488), (4655, 4517376), (4704, 4470320), (4760, 4417728), (4844, 4341120), (4845, 4340224), (4864, 4323270), (4998, 4207360), (5168, 4068960), (5190, 4051712), (5320, 3952704), (5376, 3911530), (5440, 3865512), (5536, 3798480), (5586, 3764480), (5712, 3681440), (5880, 3576256), (5882, 3575040), (6055, 3472896), (6080, 3458616), (6272, 3352740), (6384, 3293920), (6460, 3255168), (6528, 3221260), (6574, 3198720), (6664, 3155520), (6720, 3129224), (6783, 3100160), (6920, 3038784), (7140, 2945152), (7266, 2894080), (7296, 2882180), (7448, 2823360), (7616, 2761080), (7680, 2738071), (7752, 2712640), (7840, 2682192), (7980, 2635136), (8160, 2577008), (8304, 2532320), (8330, 2524416), (8477, 2480640), (8512, 2470440), (8704, 2415945), (8823, 2383360), (8960, 2346918), (9044, 2325120), (9120, 2305744), (9310, 2258688), (9408, 2235160), (9520, 2208864), (9688, 2170560), (9690, 2170112), (9728, 2161635), (9861, 2132480), (9996, 2103680), (10336, 2034480), (10380, 2025856), (10640, 1976352), (10752, 1955765), (10880, 1932756), (11072, 1899240), (11172, 1882240), (11305, 1860096), (11424, 1840720), (11760, 1788128), (11764, 1787520), (12110, 1736448), (12160, 1729308), (12495, 1682944), (12544, 1676370), (12768, 1646960), (12920, 1627584), (13056, 1610630), (13148, 1599360), (13328, 1577760), (13440, 1564612), (13566, 1550080), (13840, 1519392), (13965, 1505792), (14280, 1472576), (14532, 1447040), (14592, 1441090), (14705, 1430016), (14896, 1411680), (15232, 1380540), (15504, 1356320), (15680, 1341096), (15827, 1328640), (15960, 1317568), (16320, 1288504), (16435, 1279488), (16608, 1266160), (16660, 1262208), (16954, 1240320), (17024, 1235220), (17646, 1191680), (17920, 1173459), (18088, 1162560), (18165, 1157632), (18240, 1152872), (18620, 1129344), (18816, 1117580), (19040, 1104432), (19376, 1085280), (19380, 1085056), (19722, 1066240), (19992, 1051840), (20587, 1021440), (20672, 1017240), (20760, 1012928), (21280, 988176), (21760, 966378), (22144, 949620), (22344, 941120), (22610, 930048), (22848, 920360), (23009, 913920), (23520, 894064), (23528, 893760), (24220, 868224), (24320, 864654), (24990, 841472), (25088, 838185), (25431, 826880), (25536, 823480), (25840, 813792), (26112, 805315), (26296, 799680), (26656, 788880), (26880, 782306), (27132, 775040), (27680, 759696), (27930, 752896), (28560, 736288), (29064, 723520), (29184, 720545), (29410, 715008), (29792, 705840), (30464, 690270), (31008, 678160), (31360, 670548), (31654, 664320), (31920, 658784), (32640, 644252), (32870, 639744), (33216, 633080), (33320, 631104), (33908, 620160), (33915, 620032), (34048, 617610), (35292, 595840), (36176, 581280), (36330, 578816), (36480, 576436), (37240, 564672), (37632, 558790), (38080, 552216), (38752, 542640), (38760, 542528), (39444, 533120), (39984, 525920), (41174, 510720), (41344, 508620), (41520, 506464), (42385, 496128), (42560, 494088), (43520, 483189), (44115, 476672), (44288, 474810), (44688, 470560), (45220, 465024), (45696, 460180), (46018, 456960), (47040, 447032), (47056, 446880), (47481, 442880), (48440, 434112), (48640, 432327), (49305, 426496), (49980, 420736), (50862, 413440), (51072, 411740), (51680, 406896), (52592, 399840), (53312, 394440), (53760, 391153), (54264, 387520), (55360, 379848), (55860, 376448), (55879, 376320), (57120, 368144), (58128, 361760), (58820, 357504), (59584, 352920), (60928, 345135), (61761, 340480), (62016, 339080), (62720, 335274), (63308, 332160), (63840, 329392), (65280, 322126), (65740, 319872), (66432, 316540), (66640, 315552), (67816, 310080), (67830, 310016), (68096, 308805), (69027, 304640), (70584, 297920), (72352, 290640), (72660, 289408), (72960, 288218), (74480, 282336), (75264, 279395), (76160, 276108), (77504, 271320), (77520, 271264), (78888, 266560), (79135, 265728), (79968, 262960), (82348, 255360), (82688, 254310), (83040, 253232), (84770, 248064), (85120, 247044), (88230, 238336), (88576, 237405), (89376, 235280), (90440, 232512), (91392, 230090), (92036, 228480), (94080, 223516), (94112, 223440), (94962, 221440), (96880, 217056), (98610, 213248), (99960, 210368), (101724, 206720), (102144, 205870), (102935, 204288), (103360, 203448), (105184, 199920), (106624, 197220), (108528, 193760), (110720, 189924), (111720, 188224), (111758, 188160), (114240, 184072), (115045, 182784), (116256, 180880), (117640, 178752), (119168, 176460), (123522, 170240), (124032, 169540), (125440, 167637), (126616, 166080), (127155, 165376), (127680, 164696), (130560, 161063), (131480, 159936), (132864, 158270), (133280, 157776), (135632, 155040), (135660, 155008), (138054, 152320), (141168, 148960), (144109, 145920), (144704, 145320)]