21388698240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 1024

約数和(自身を含む): 93768192000

約数和(自身を除く): 72379493760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 19, 20, 21, 24, 26, 28, 30, 32, 34, 35, 38, 39, 40, 42, 48, 51, 52, 56, 57, 60, 64, 65, 68, 70, 76, 78, 80, 84, 85, 91, 95, 96, 102, 104, 105, 112, 114, 119, 120, 128, 130, 133, 136, 140, 152, 156, 160, 168, 170, 182, 190, 192, 195, 204, 208, 210, 221, 224, 228, 238, 240, 247, 255, 260, 266, 272, 273, 280, 285, 304, 312, 320, 323, 336, 340, 357, 364, 379, 380, 384, 390, 399, 408, 416, 420, 442, 448, 455, 456, 476, 480, 494, 510, 520, 532, 544, 546, 560, 570, 595, 608, 624, 640, 646, 663, 665, 672, 680, 714, 728, 741, 758, 760, 780, 798, 816, 832, 840, 884, 896, 910, 912, 952, 960, 969, 988, 1020, 1040, 1064, 1088, 1092, 1105, 1120, 1137, 1140, 1190, 1216, 1235, 1248, 1292, 1326, 1330, 1344, 1360, 1365, 1428, 1456, 1482, 1516, 1520, 1547, 1560, 1596, 1615, 1632, 1664, 1680, 1729, 1768, 1785, 1820, 1824, 1895, 1904, 1920, 1938, 1976, 1995, 2040, 2080, 2128, 2176, 2184, 2210, 2240, 2261, 2274, 2280, 2380, 2432, 2470, 2496, 2584, 2652, 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541212, 542640, 551824, 553280, 561678, 576080, 586313, 587860, 591240, 594048, 604884, 612085, 618528, 620160, 630656, 636720, 655291, 663936, 670072, 671840, 676515, 689780, 691296, 705432, 721616, 723520, 727680, 734502, 742560, 748904, 756105, 773160, 788320, 806208, 806512, 824704, 827736, 829920, 837590, 848960, 856919, 864120, 868224, 881790, 902020, 921728, 936130, 940576, 945984, 979336, 990080, 1005108, 1007760, 1008140, 1018752, 1030880, 1034670, 1082424, 1085280, 1103648, 1106560, 1123356, 1152160, 1172626, 1175720, 1182480, 1209768, 1224170, 1237056, 1256385, 1273440, 1310582, 1340144, 1343680, 1353030, 1379560, 1382592, 1404195, 1410864, 1443232, 1447040, 1469004, 1485120, 1497808, 1512210, 1546320, 1576640, 1591421, 1612416, 1613024, 1655472, 1659840, 1675180, 1697920, 1713838, 1728240, 1758939, 1763580, 1804040, 1836255, 1872260, 1881152, 1891968, 1958672, 1965873, 2010216, 2015520, 2016280, 2061760, 2069340, 2164848, 2170560, 2207296, 2246712, 2304320, 2345252, 2351440, 2364960, 2419536, 2448340, 2474112, 2512770, 2546880, 2570757, 2621164, 2680288, 2687360, 2706060, 2759120, 2765184, 2808390, 2821728, 2886464, 2931565, 2938008, 2970240, 2995616, 3024420, 3092640, 3153280, 3182842, 3226048, 3276455, 3310944, 3319680, 3350360, 3427676, 3456480, 3517878, 3527160, 3608080, 3672510, 3744520, 3762304, 3917344, 3931746, 4020432, 4031040, 4032560, 4123520, 4138680, 4284595, 4329696, 4341120, 4414592, 4493424, 4608640, 4690504, 4702880, 4729920, 4774263, 4839072, 4896680, 5025540, 5093760, 5141514, 5242328, 5360576, 5412120, 5518240, 5616780, 5643456, 5772928, 5863130, 5876016, 5991232, 6048840, 6185280, 6365684, 6452096, 6552910, 6621888, 6700720, 6855352, 6912960, 7035756, 7054320, 7216160, 7345020, 7489040, 7834688, 7863492, 7957105, 8040864, 8062080, 8065120, 8277360, 8569190, 8659392, 8794695, 8986848, 9381008, 9405760, 9459840, 9548526, 9678144, 9793360, 9829365, 10051080, 10283028, 10484656, 10721152, 10824240, 11036480, 11139947, 11233560, 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約数ペア:

[(1, 21388698240), (2, 10694349120), (3, 7129566080), (4, 5347174560), (5, 4277739648), (6, 3564783040), (7, 3055528320), (8, 2673587280), (10, 2138869824), (12, 1782391520), (13, 1645284480), (14, 1527764160), (15, 1425913216), (16, 1336793640), (17, 1258158720), (19, 1125720960), (20, 1069434912), (21, 1018509440), (24, 891195760), (26, 822642240), (28, 763882080), (30, 712956608), (32, 668396820), (34, 629079360), (35, 611105664), (38, 562860480), (39, 548428160), (40, 534717456), (42, 509254720), (48, 445597880), (51, 419386240), (52, 411321120), (56, 381941040), (57, 375240320), (60, 356478304), (64, 334198410), (65, 329056896), (68, 314539680), (70, 305552832), (76, 281430240), (78, 274214080), (80, 267358728), (84, 254627360), (85, 251631744), (91, 235040640), (95, 225144192), (96, 222798940), (102, 209693120), (104, 205660560), (105, 203701888), (112, 190970520), (114, 187620160), (119, 179736960), (120, 178239152), (128, 167099205), (130, 164528448), (133, 160817280), (136, 157269840), (140, 152776416), (152, 140715120), (156, 137107040), (160, 133679364), (168, 127313680), (170, 125815872), (182, 117520320), (190, 112572096), (192, 111399470), (195, 109685632), (204, 104846560), (208, 102830280), (210, 101850944), (221, 96781440), (224, 95485260), (228, 93810080), (238, 89868480), (240, 89119576), (247, 86593920), (255, 83877248), (260, 82264224), (266, 80408640), (272, 78634920), (273, 78346880), (280, 76388208), (285, 75048064), (304, 70357560), (312, 68553520), (320, 66839682), (323, 66218880), (336, 63656840), (340, 62907936), (357, 59912320), (364, 58760160), (379, 56434560), (380, 56286048), (384, 55699735), (390, 54842816), (399, 53605760), (408, 52423280), (416, 51415140), (420, 50925472), (442, 48390720), (448, 47742630), (455, 47008128), (456, 46905040), (476, 44934240), (480, 44559788), (494, 43296960), (510, 41938624), (520, 41132112), (532, 40204320), (544, 39317460), (546, 39173440), (560, 38194104), (570, 37524032), (595, 35947392), (608, 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542640), (39520, 541212), (39795, 537472), (41344, 517335), (41496, 515440), (41990, 509376), (42432, 504070), (42448, 503880), (42560, 502554), (43206, 495040), (43680, 489668), (45101, 474240), (45220, 472992), (45480, 470288), (45696, 468065), (46410, 460864), (47424, 451010), (48512, 440895), (49270, 434112), (49504, 432060), (50388, 424480), (50407, 424320), (51072, 418795), (51544, 414960), (51680, 413868), (51870, 412352), (53040, 403256), (53060, 403104), (54264, 394160), (55328, 386580), (57120, 374452), (57608, 371280), (58240, 367251), (58786, 363840), (59124, 361760), (59280, 360808), (60640, 352716), (61880, 345648), (62016, 344890), (62985, 339584), (63672, 335920), (63840, 335036), (64430, 331968), (67184, 318360), (67830, 315328), (68978, 310080), (69160, 309264), (70720, 302442), (72010, 297024), (72352, 295620), (72768, 293930), (73905, 289408), (74256, 288040), (76160, 280839), (77316, 276640), (77520, 275912), (78832, 271320), (79040, 270606), (79590, 268736), (82992, 257720), (83759, 255360), (83980, 254688), (84864, 252035), (84896, 251940), (85120, 251277), (86412, 247520), (87360, 244834), (88179, 242560), (90202, 237120), (90440, 236496), (90960, 235144), (92820, 230432), (93613, 228480), (94848, 225505), (96645, 221312), (98540, 217056), (99008, 216030), (100776, 212240), (100814, 212160), (103088, 207480), (103360, 206934), (103467, 206720), (103740, 206176), (106080, 201628), (106120, 201552), (108015, 198016), (108528, 197080), (110656, 193290), (114240, 187226), (115216, 185640), (117572, 181920), (118248, 180880), (118560, 180404), (121280, 176358), (122417, 174720), (123760, 172824), (124032, 172445), (125970, 169792), (127344, 167960), (127680, 167518), (128860, 165984), (134368, 159180), (135303, 158080), (135660, 157664), (137956, 155040), (138320, 154632), (141440, 151221), (144020, 148512), (144704, 147810), (145536, 146965)]