21407251320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:142

約数の個数: 1152

約数和(自身を含む): 95083934400

約数和(自身を除く): 73676683080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 29, 30, 35, 36, 37, 39, 40, 42, 45, 49, 52, 54, 56, 58, 60, 63, 65, 70, 72, 74, 78, 84, 87, 90, 91, 98, 104, 105, 108, 111, 116, 117, 120, 126, 130, 135, 140, 145, 147, 148, 156, 168, 174, 180, 182, 185, 189, 195, 196, 203, 210, 216, 222, 232, 234, 245, 252, 259, 260, 261, 270, 273, 280, 290, 294, 296, 312, 315, 333, 348, 351, 360, 364, 370, 377, 378, 390, 392, 406, 420, 435, 441, 444, 455, 468, 481, 490, 504, 518, 520, 522, 540, 546, 555, 580, 585, 588, 609, 630, 637, 666, 696, 702, 728, 735, 740, 754, 756, 777, 780, 783, 812, 819, 840, 841, 870, 882, 888, 910, 936, 945, 962, 980, 999, 1015, 1036, 1044, 1073, 1080, 1092, 1110, 1131, 1160, 1170, 1176, 1218, 1260, 1274, 1295, 1305, 1323, 1332, 1365, 1404, 1421, 1443, 1470, 1480, 1508, 1512, 1554, 1560, 1566, 1624, 1638, 1665, 1682, 1740, 1755, 1764, 1813, 1820, 1827, 1885, 1890, 1911, 1924, 1960, 1998, 2030, 2072, 2088, 2146, 2184, 2205, 2220, 2262, 2331, 2340, 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16380, 16820, 16835, 16965, 17052, 17199, 17316, 17640, 17661, 18130, 18270, 18473, 18648, 19110, 19240, 19314, 19656, 19980, 20184, 20202, 20358, 21112, 21315, 21460, 21645, 21756, 21866, 21924, 22533, 22620, 22707, 22932, 23310, 23548, 23569, 23751, 24360, 24570, 25230, 25480, 25578, 25752, 25974, 26390, 26460, 26936, 27144, 27195, 27405, 27898, 27972, 28420, 28665, 28860, 28971, 29435, 30044, 30276, 30303, 31080, 31117, 31320, 31668, 32190, 32634, 32760, 32799, 33640, 33670, 33930, 34104, 34398, 34632, 34965, 35322, 36260, 36540, 36946, 37555, 37845, 38220, 38367, 38628, 39585, 39960, 40404, 40716, 41209, 41847, 42630, 42920, 43290, 43512, 43732, 43848, 45066, 45240, 45414, 45864, 46620, 47096, 47138, 47502, 48285, 48951, 49140, 50460, 50505, 50895, 51156, 51948, 52577, 52780, 52920, 52983, 54390, 54665, 54810, 55419, 55796, 55944, 56840, 57330, 57720, 57942, 58870, 60088, 60552, 60606, 62234, 63336, 63945, 64380, 64935, 65268, 65598, 67340, 67599, 67860, 68796, 69745, 69930, 70644, 70707, 71253, 72520, 73080, 73892, 75110, 75690, 76440, 76531, 76734, 77256, 79170, 80808, 81432, 81585, 82418, 83694, 85260, 85995, 86580, 87464, 88305, 90132, 90828, 90909, 92365, 93240, 93351, 94276, 95004, 96570, 97643, 97902, 98280, 98397, 100920, 101010, 101790, 102312, 103896, 105154, 105560, 105966, 108780, 109330, 109620, 110838, 111592, 112665, 113535, 114660, 115884, 117740, 117845, 118755, 121212, 123627, 124468, 125541, 127890, 128760, 129870, 130536, 131196, 134680, 135198, 135720, 137592, 139490, 139860, 141288, 141414, 142506, 144855, 147784, 150220, 151380, 151515, 153062, 153468, 155585, 157731, 158340, 158949, 163170, 163995, 164836, 166257, 167388, 170520, 171990, 173160, 176610, 180264, 181656, 181818, 184730, 186702, 188552, 190008, 191835, 193140, 195286, 195804, 196794, 202020, 202797, 203580, 206045, 209235, 210308, 211932, 212121, 217560, 217819, 218660, 219240, 221676, 225330, 227070, 229320, 229593, 231768, 235480, 235690, 237510, 242424, 244755, 247254, 248936, 251082, 255780, 259740, 262392, 262885, 264915, 270396, 277095, 278980, 279720, 280053, 282828, 285012, 289710, 292929, 295191, 300440, 302760, 303030, 306124, 306936, 311170, 315462, 316680, 317898, 326340, 327990, 329672, 332514, 334776, 337995, 343980, 353220, 353535, 356265, 363636, 369460, 370881, 373404, 376623, 382655, 383670, 386280, 390572, 391608, 393588, 404040, 404521, 405594, 407160, 412090, 418470, 420616, 423864, 424242, 435638, 437320, 443352, 450660, 454140, 454545, 459186, 466755, 471380, 473193, 475020, 488215, 489510, 491985, 494508, 498771, 502164, 511560, 519480, 525770, 529830, 535717, 540792, 554190, 557960, 560106, 565656, 570024, 579420, 585858, 590382, 606060, 612248, 618135, 622340, 627705, 630924, 635796, 636363, 652680, 653457, 655980, 665028, 675990, 683501, 687960, 688779, 706440, 707070, 712530, 727272, 738920, 741762, 746808, 753246, 765310, 767340, 781144, 787176, 788655, 794745, 809042, 811188, 824180, 831285, 836940, 840159, 848484, 871276, 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約数ペア:

[(1, 21407251320), (2, 10703625660), (3, 7135750440), (4, 5351812830), (5, 4281450264), (6, 3567875220), (7, 3058178760), (8, 2675906415), (9, 2378583480), (10, 2140725132), (12, 1783937610), (13, 1646711640), (14, 1529089380), (15, 1427150088), (18, 1189291740), (20, 1070362566), (21, 1019392920), (24, 891968805), (26, 823355820), (27, 792861160), (28, 764544690), (29, 738181080), (30, 713575044), (35, 611635752), (36, 594645870), (37, 578574360), (39, 548903880), (40, 535181283), (42, 509696460), (45, 475716696), (49, 436882680), (52, 411677910), (54, 396430580), (56, 382272345), (58, 369090540), (60, 356787522), (63, 339797640), (65, 329342328), (70, 305817876), (72, 297322935), (74, 289287180), (78, 274451940), (84, 254848230), (87, 246060360), (90, 237858348), (91, 235244520), (98, 218441340), (104, 205838955), (105, 203878584), (108, 198215290), (111, 192858120), (116, 184545270), (117, 182967960), (120, 178393761), (126, 169898820), (130, 164671164), (135, 158572232), (140, 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36909054), (585, 36593592), (588, 36406890), (609, 35151480), (630, 33979764), (637, 33606360), (666, 32143020), (696, 30757545), (702, 30494660), (728, 29405565), (735, 29125512), (740, 28928718), (754, 28391580), (756, 28316470), (777, 27551160), (780, 27445194), (783, 27340040), (812, 26363610), (819, 26138280), (840, 25484823), (841, 25454520), (870, 24606036), (882, 24271260), (888, 24107265), (910, 23524452), (936, 22870995), (945, 22653176), (962, 22252860), (980, 21844134), (999, 21428680), (1015, 21090888), (1036, 20663370), (1044, 20505030), (1073, 19950840), (1080, 19821529), (1092, 19603710), (1110, 19285812), (1131, 18927720), (1160, 18454527), (1170, 18296796), (1176, 18203445), (1218, 17575740), (1260, 16989882), (1274, 16803180), (1295, 16530696), (1305, 16404024), (1323, 16180840), (1332, 16071510), (1365, 15682968), (1404, 15247330), (1421, 15064920), (1443, 14835240), (1470, 14562756), (1480, 14464359), (1508, 14195790), (1512, 14158235), (1554, 13775580), (1560, 13722597), (1566, 13670020), (1624, 13181805), (1638, 13069140), (1665, 12857208), (1682, 12727260), (1740, 12303018), (1755, 12197864), (1764, 12135630), (1813, 11807640), (1820, 11762226), (1827, 11717160), (1885, 11356632), (1890, 11326588), (1911, 11202120), (1924, 11126430), (1960, 10922067), (1998, 10714340), (2030, 10545444), (2072, 10331685), (2088, 10252515), (2146, 9975420), (2184, 9801855), (2205, 9708504), (2220, 9642906), (2262, 9463860), (2331, 9183720), (2340, 9148398), (2405, 8901144), (2436, 8787870), (2457, 8712760), (2520, 8494941), (2523, 8484840), (2548, 8401590), (2590, 8265348), (2610, 8202012), (2639, 8111880), (2646, 8090420), (2664, 8035755), (2730, 7841484), (2808, 7623665), (2842, 7532460), (2886, 7417620), (2940, 7281378), (3016, 7097895), (3045, 7030296), (3108, 6887790), (3132, 6835010), (3185, 6721272), (3219, 6650280), (3276, 6534570), (3330, 6428604), (3364, 6363630), (3367, 6357960), (3393, 6309240), (3480, 6151509), (3510, 6098932), (3528, 6067815), (3626, 5903820), (3640, 5881113), (3654, 5858580), (3770, 5678316), (3780, 5663294), (3822, 5601060), (3848, 5563215), (3885, 5510232), (3915, 5468008), (3996, 5357170), (4060, 5272722), (4095, 5227656), (4205, 5090904), (4263, 5021640), (4292, 4987710), (4329, 4945080), (4410, 4854252), (4440, 4821453), (4524, 4731930), (4662, 4591860), (4680, 4574199), (4810, 4450572), (4872, 4393935), (4914, 4356380), (4995, 4285736), (5046, 4242420), (5096, 4200795), (5180, 4132674), (5220, 4101006), (5278, 4055940), (5292, 4045210), (5365, 3990168), (5439, 3935880), (5460, 3920742), (5481, 3905720), (5655, 3785544), (5684, 3766230), (5733, 3734040), (5772, 3708810), (5880, 3640689), (5887, 3636360), (6090, 3515148), (6216, 3443895), (6264, 3417505), (6370, 3360636), (6438, 3325140), (6552, 3267285), (6615, 3236168), (6660, 3214302), (6728, 3181815), (6734, 3178980), (6786, 3154620), (6993, 3061240), (7020, 3049466), (7105, 3012984), (7215, 2967048), (7252, 2951910), (7308, 2929290), (7511, 2850120), (7540, 2839158), (7560, 2831647), (7569, 2828280), (7644, 2800530), (7770, 2755116), (7830, 2734004), (7917, 2703960), (7992, 2678585), (8120, 2636361), (8190, 2613828), (8410, 2545452), (8526, 2510820), (8584, 2493855), (8658, 2472540), (8820, 2427126), (9048, 2365965), (9065, 2361528), (9135, 2343432), (9324, 2295930), (9555, 2240424), (9620, 2225286), (9657, 2216760), (9828, 2178190), (9990, 2142868), (10092, 2121210), (10101, 2119320), (10179, 2103080), (10360, 2066337), (10440, 2050503), (10556, 2027970), (10584, 2022605), (10730, 1995084), (10878, 1967940), (10920, 1960371), (10933, 1958040), (10962, 1952860), (11310, 1892772), (11368, 1883115), (11466, 1867020), (11544, 1854405), (11655, 1836744), (11774, 1818180), (12180, 1757574), (12285, 1742552), (12615, 1696968), (12740, 1680318), (12789, 1673880), (12876, 1662570), (12987, 1648360), (13195, 1622376), (13230, 1618084), (13320, 1607151), (13468, 1589490), (13572, 1577310), (13949, 1534680), (13986, 1530620), 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