21137865840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3469}}^1$

素因数の和:3542

約数の個数: 640

約数和(自身を含む): 92527411200

約数和(自身を除く): 71389545360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 31, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 62, 63, 65, 70, 72, 78, 80, 84, 90, 91, 93, 104, 105, 108, 112, 117, 120, 124, 126, 130, 135, 140, 144, 155, 156, 168, 180, 182, 186, 189, 195, 208, 210, 216, 217, 234, 240, 248, 252, 260, 270, 273, 279, 280, 310, 312, 315, 336, 351, 360, 364, 372, 378, 390, 403, 420, 432, 434, 455, 465, 468, 496, 504, 520, 540, 546, 558, 560, 585, 620, 624, 630, 651, 702, 720, 728, 744, 756, 780, 806, 819, 837, 840, 868, 910, 930, 936, 945, 1008, 1040, 1080, 1085, 1092, 1116, 1170, 1209, 1240, 1260, 1302, 1365, 1395, 1404, 1456, 1488, 1512, 1560, 1612, 1638, 1674, 1680, 1736, 1755, 1820, 1860, 1872, 1890, 1953, 2015, 2160, 2170, 2184, 2232, 2340, 2418, 2457, 2480, 2520, 2604, 2730, 2790, 2808, 2821, 3024, 3120, 3224, 3255, 3276, 3348, 3469, 3472, 3510, 3627, 3640, 3720, 3780, 3906, 4030, 4095, 4185, 4340, 4368, 4464, 4680, 4836, 4914, 5040, 5208, 5460, 5580, 5616, 5642, 5859, 6045, 6448, 6510, 6552, 6696, 6938, 7020, 7254, 7280, 7440, 7560, 7812, 8060, 8190, 8370, 8463, 8680, 9360, 9672, 9765, 9828, 10407, 10416, 10881, 10920, 11160, 11284, 11718, 12090, 12285, 13020, 13104, 13392, 13876, 14040, 14105, 14508, 15120, 15624, 16120, 16380, 16740, 16926, 17345, 17360, 18135, 19344, 19530, 19656, 20814, 21762, 21840, 22320, 22568, 23436, 24180, 24283, 24570, 25389, 26040, 27752, 28080, 28210, 29016, 29295, 31221, 31248, 32240, 32760, 33480, 33852, 34690, 36270, 39060, 39312, 41628, 42315, 43524, 45097, 45136, 46872, 48360, 48566, 49140, 50778, 52035, 52080, 54405, 55504, 56420, 58032, 58590, 62442, 65520, 66960, 67704, 69380, 72540, 72849, 76167, 78120, 83256, 84630, 87048, 90194, 93663, 93744, 96720, 97132, 98280, 101556, 104070, 107539, 108810, 112840, 117180, 121415, 124884, 126945, 135291, 135408, 138760, 145080, 145698, 152334, 156105, 156240, 166512, 169260, 174096, 180388, 187326, 194264, 196560, 203112, 208140, 215078, 217620, 218547, 225485, 225680, 234360, 242830, 249768, 253890, 270582, 277520, 290160, 291396, 304668, 312210, 315679, 322617, 338520, 360776, 364245, 374652, 380835, 388528, 405873, 406224, 416280, 430156, 435240, 437094, 450970, 468315, 468720, 485660, 499536, 507780, 537695, 541164, 582792, 609336, 624420, 631358, 645234, 655641, 676455, 677040, 721552, 728490, 749304, 752773, 761670, 811746, 832560, 860312, 870480, 874188, 901940, 936630, 947037, 967851, 971320, 1015560, 1075390, 1082328, 1092735, 1165584, 1217619, 1218672, 1248840, 1262716, 1290468, 1311282, 1352910, 1398007, 1456980, 1498608, 1505546, 1523340, 1578395, 1613085, 1623492, 1720624, 1748376, 1803880, 1873260, 1894074, 1935702, 1942640, 2029365, 2031120, 2150780, 2164656, 2185470, 2258319, 2435238, 2497680, 2525432, 2580936, 2622564, 2705820, 2796014, 2841111, 2903553, 2913960, 3011092, 3046680, 3156790, 3226170, 3246984, 3278205, 3496752, 3607760, 3746520, 3763865, 3788148, 3871404, 4058730, 4194021, 4301560, 4370940, 4516638, 4735185, 4839255, 4870476, 5050864, 5161872, 5245128, 5411640, 5592028, 5682222, 5807106, 5827920, 6022184, 6088095, 6093360, 6313580, 6452340, 6493968, 6556410, 6774957, 6990035, 7493040, 7527730, 7576296, 7742808, 8117460, 8388042, 8523333, 8603120, 8741880, 9033276, 9470370, 9678510, 9740952, 9786049, 10490256, 10823280, 11184056, 11291595, 11364444, 11614212, 12044368, 12176190, 12582063, 12627160, 12904680, 13112820, 13549914, 13980070, 14205555, 14517765, 15055460, 15152592, 15485616, 16234920, 16776084, 17046666, 17483760, 18066552, 18940740, 19357020, 19481904, 19572098, 20324871, 20970105, 22368112, 22583190, 22728888, 23228424, 24352380, 25164126, 25254320, 25809360, 26225640, 27099828, 27960140, 28411110, 29035530, 29358147, 30110920, 32469840, 33552168, 33874785, 34093332, 36133104, 37746189, 37881480, 38714040, 39144196, 40649742, 41940210, 42616665, 45166380, 45457776, 46456848, 48704760, 48930245, 50328252, 52451280, 54199656, 55920280, 56822220, 58071060, 58716294, 60221840, 62910315, 67104336, 67749570, 68186664, 75492378, 75762960, 77428080, 78288392, 81299484, 83880420, 85233330, 88074441, 90332760, 97409520, 97860490, 100656504, 101624355, 108399312, 111840560, 113644440, 116142120, 117432588, 125820630, 135499140, 136373328, 146790735, 150984756, 156576784, 162598968, 167760840, 170466660, 176148882, 180665520, 188730945, 195720980, 201313008, 203248710, 227288880, 232284240, 234865176, 251641260, 264223323, 270998280, 293581470, 301969512, 325197936, 335521680, 340933320, 352297764, 377461890, 391441960, 406497420, 440372205, 469730352, 503282520, 528446646, 541996560, 587162940, 603939024, 681866640, 704595528, 754923780, 782883920, 812994840, 880744410, 1006565040, 1056893292, 1174325880, 1321116615, 1409191056, 1509847560, 1625989680, 1761488820, 2113786584, 2348651760, 2642233230, 3019695120, 3522977640, 4227573168, 5284466460, 7045955280, 10568932920, 21137865840]

約数ペア:

[(1, 21137865840), (2, 10568932920), (3, 7045955280), (4, 5284466460), (5, 4227573168), (6, 3522977640), (7, 3019695120), (8, 2642233230), (9, 2348651760), (10, 2113786584), (12, 1761488820), (13, 1625989680), (14, 1509847560), (15, 1409191056), (16, 1321116615), (18, 1174325880), (20, 1056893292), (21, 1006565040), (24, 880744410), (26, 812994840), (27, 782883920), (28, 754923780), (30, 704595528), (31, 681866640), (35, 603939024), (36, 587162940), (39, 541996560), (40, 528446646), (42, 503282520), (45, 469730352), (48, 440372205), (52, 406497420), (54, 391441960), (56, 377461890), (60, 352297764), (62, 340933320), (63, 335521680), (65, 325197936), (70, 301969512), (72, 293581470), (78, 270998280), (80, 264223323), (84, 251641260), (90, 234865176), (91, 232284240), (93, 227288880), (104, 203248710), (105, 201313008), (108, 195720980), (112, 188730945), (117, 180665520), (120, 176148882), (124, 170466660), (126, 167760840), (130, 162598968), (135, 156576784), (140, 150984756), (144, 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25809360), (837, 25254320), (840, 25164126), (868, 24352380), (910, 23228424), (930, 22728888), (936, 22583190), (945, 22368112), (1008, 20970105), (1040, 20324871), (1080, 19572098), (1085, 19481904), (1092, 19357020), (1116, 18940740), (1170, 18066552), (1209, 17483760), (1240, 17046666), (1260, 16776084), (1302, 16234920), (1365, 15485616), (1395, 15152592), (1404, 15055460), (1456, 14517765), (1488, 14205555), (1512, 13980070), (1560, 13549914), (1612, 13112820), (1638, 12904680), (1674, 12627160), (1680, 12582063), (1736, 12176190), (1755, 12044368), (1820, 11614212), (1860, 11364444), (1872, 11291595), (1890, 11184056), (1953, 10823280), (2015, 10490256), (2160, 9786049), (2170, 9740952), (2184, 9678510), (2232, 9470370), (2340, 9033276), (2418, 8741880), (2457, 8603120), (2480, 8523333), (2520, 8388042), (2604, 8117460), (2730, 7742808), (2790, 7576296), (2808, 7527730), (2821, 7493040), (3024, 6990035), (3120, 6774957), (3224, 6556410), (3255, 6493968), (3276, 6452340), (3348, 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