21128421600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20521}}^1$

素因数の和:20571

約数の個数: 432

約数和(自身を含む): 87533553744

約数和(自身を除く): 66405132144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 25, 26, 30, 32, 33, 36, 39, 40, 44, 45, 48, 50, 52, 55, 60, 65, 66, 72, 75, 78, 80, 88, 90, 96, 99, 100, 104, 110, 117, 120, 130, 132, 143, 144, 150, 156, 160, 165, 176, 180, 195, 198, 200, 208, 220, 225, 234, 240, 260, 264, 275, 286, 288, 300, 312, 325, 330, 352, 360, 390, 396, 400, 416, 429, 440, 450, 468, 480, 495, 520, 528, 550, 572, 585, 600, 624, 650, 660, 715, 720, 780, 792, 800, 825, 858, 880, 900, 936, 975, 990, 1040, 1056, 1100, 1144, 1170, 1200, 1248, 1287, 1300, 1320, 1430, 1440, 1560, 1584, 1650, 1716, 1760, 1800, 1872, 1950, 1980, 2080, 2145, 2200, 2288, 2340, 2400, 2475, 2574, 2600, 2640, 2860, 2925, 3120, 3168, 3300, 3432, 3575, 3600, 3744, 3900, 3960, 4290, 4400, 4576, 4680, 4950, 5148, 5200, 5280, 5720, 5850, 6240, 6435, 6600, 6864, 7150, 7200, 7800, 7920, 8580, 8800, 9360, 9900, 10296, 10400, 10725, 11440, 11700, 12870, 13200, 13728, 14300, 15600, 15840, 17160, 18720, 19800, 20521, 20592, 21450, 22880, 23400, 25740, 26400, 28600, 31200, 32175, 34320, 39600, 41042, 41184, 42900, 46800, 51480, 57200, 61563, 64350, 68640, 79200, 82084, 85800, 93600, 102605, 102960, 114400, 123126, 128700, 164168, 171600, 184689, 205210, 205920, 225731, 246252, 257400, 266773, 307815, 328336, 343200, 369378, 410420, 451462, 492504, 513025, 514800, 533546, 615630, 656672, 677193, 738756, 800319, 820840, 902924, 923445, 985008, 1026050, 1029600, 1067092, 1128655, 1231260, 1333865, 1354386, 1477512, 1539075, 1600638, 1641680, 1805848, 1846890, 1970016, 2031579, 2052100, 2134184, 2257310, 2400957, 2462520, 2667730, 2708772, 2934503, 2955024, 3078150, 3201276, 3283360, 3385965, 3611696, 3693780, 4001595, 4063158, 4104200, 4268368, 4514620, 4617225, 4801914, 4925040, 5335460, 5417544, 5643275, 5869006, 5910048, 6156300, 6402552, 6669325, 6771930, 7223392, 7387560, 8003190, 8126316, 8208400, 8536736, 8803509, 9029240, 9234450, 9603828, 9850080, 10157895, 10670920, 10835088, 11286550, 11738012, 12004785, 12312600, 12805104, 13338650, 13543860, 14672515, 14775120, 16006380, 16252632, 16416800, 16929825, 17607018, 18058480, 18468900, 19207656, 20007975, 20315790, 21341840, 21670176, 22573100, 23476024, 24009570, 24625200, 25610208, 26410527, 26677300, 27087720, 29345030, 29550240, 32012760, 32505264, 33859650, 35214036, 36116960, 36937800, 38415312, 40015950, 40631580, 42683680, 44017545, 45146200, 46952048, 48019140, 49250400, 50789475, 52821054, 53354600, 54175440, 58690060, 60023925, 64025520, 65010528, 67719300, 70428072, 73362575, 73875600, 76830624, 80031900, 81263160, 88035090, 90292400, 93904096, 96038280, 101578950, 105642108, 106709200, 108350880, 117380120, 120047850, 128051040, 132052635, 135438600, 140856144, 146725150, 147751200, 160063800, 162526320, 176070180, 180584800, 192076560, 203157900, 211284216, 213418400, 220087725, 234760240, 240095700, 264105270, 270877200, 281712288, 293450300, 320127600, 325052640, 352140360, 384153120, 406315800, 422568432, 440175450, 469520480, 480191400, 528210540, 541754400, 586900600, 640255200, 660263175, 704280720, 812631600, 845136864, 880350900, 960382800, 1056421080, 1173801200, 1320526350, 1408561440, 1625263200, 1760701800, 1920765600, 2112842160, 2347602400, 2641052700, 3521403600, 4225684320, 5282105400, 7042807200, 10564210800, 21128421600]

約数ペア:

[(1, 21128421600), (2, 10564210800), (3, 7042807200), (4, 5282105400), (5, 4225684320), (6, 3521403600), (8, 2641052700), (9, 2347602400), (10, 2112842160), (11, 1920765600), (12, 1760701800), (13, 1625263200), (15, 1408561440), (16, 1320526350), (18, 1173801200), (20, 1056421080), (22, 960382800), (24, 880350900), (25, 845136864), (26, 812631600), (30, 704280720), (32, 660263175), (33, 640255200), (36, 586900600), (39, 541754400), (40, 528210540), (44, 480191400), (45, 469520480), (48, 440175450), (50, 422568432), (52, 406315800), (55, 384153120), (60, 352140360), (65, 325052640), (66, 320127600), (72, 293450300), (75, 281712288), (78, 270877200), (80, 264105270), (88, 240095700), (90, 234760240), (96, 220087725), (99, 213418400), (100, 211284216), (104, 203157900), (110, 192076560), (117, 180584800), (120, 176070180), (130, 162526320), (132, 160063800), (143, 147751200), (144, 146725150), (150, 140856144), (156, 135438600), (160, 132052635), (165, 128051040), (176, 120047850), (180, 117380120), (195, 108350880), (198, 106709200), (200, 105642108), (208, 101578950), (220, 96038280), (225, 93904096), (234, 90292400), (240, 88035090), (260, 81263160), (264, 80031900), (275, 76830624), (286, 73875600), (288, 73362575), (300, 70428072), (312, 67719300), (325, 65010528), (330, 64025520), (352, 60023925), (360, 58690060), (390, 54175440), (396, 53354600), (400, 52821054), (416, 50789475), (429, 49250400), (440, 48019140), (450, 46952048), (468, 45146200), (480, 44017545), (495, 42683680), (520, 40631580), (528, 40015950), (550, 38415312), (572, 36937800), (585, 36116960), (600, 35214036), (624, 33859650), (650, 32505264), (660, 32012760), (715, 29550240), (720, 29345030), (780, 27087720), (792, 26677300), (800, 26410527), (825, 25610208), (858, 24625200), (880, 24009570), (900, 23476024), (936, 22573100), (975, 21670176), (990, 21341840), (1040, 20315790), (1056, 20007975), (1100, 19207656), (1144, 18468900), (1170, 18058480), (1200, 17607018), (1248, 16929825), (1287, 16416800), (1300, 16252632), (1320, 16006380), (1430, 14775120), (1440, 14672515), (1560, 13543860), (1584, 13338650), (1650, 12805104), (1716, 12312600), (1760, 12004785), (1800, 11738012), (1872, 11286550), (1950, 10835088), (1980, 10670920), (2080, 10157895), (2145, 9850080), (2200, 9603828), (2288, 9234450), (2340, 9029240), (2400, 8803509), (2475, 8536736), (2574, 8208400), (2600, 8126316), (2640, 8003190), (2860, 7387560), (2925, 7223392), (3120, 6771930), (3168, 6669325), (3300, 6402552), (3432, 6156300), (3575, 5910048), (3600, 5869006), (3744, 5643275), (3900, 5417544), (3960, 5335460), (4290, 4925040), (4400, 4801914), (4576, 4617225), (4680, 4514620), (4950, 4268368), (5148, 4104200), (5200, 4063158), (5280, 4001595), (5720, 3693780), (5850, 3611696), (6240, 3385965), (6435, 3283360), (6600, 3201276), (6864, 3078150), (7150, 2955024), (7200, 2934503), (7800, 2708772), (7920, 2667730), (8580, 2462520), (8800, 2400957), (9360, 2257310), (9900, 2134184), (10296, 2052100), (10400, 2031579), (10725, 1970016), (11440, 1846890), (11700, 1805848), (12870, 1641680), (13200, 1600638), (13728, 1539075), (14300, 1477512), (15600, 1354386), (15840, 1333865), (17160, 1231260), (18720, 1128655), (19800, 1067092), (20521, 1029600), (20592, 1026050), (21450, 985008), (22880, 923445), (23400, 902924), (25740, 820840), (26400, 800319), (28600, 738756), (31200, 677193), (32175, 656672), (34320, 615630), (39600, 533546), (41042, 514800), (41184, 513025), (42900, 492504), (46800, 451462), (51480, 410420), (57200, 369378), (61563, 343200), (64350, 328336), (68640, 307815), (79200, 266773), (82084, 257400), (85800, 246252), (93600, 225731), (102605, 205920), (102960, 205210), (114400, 184689), (123126, 171600), (128700, 164168)]