21123171840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:398

約数の個数: 480

約数和(自身を含む): 74289245184

約数和(自身を除く): 53166073344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 80, 85, 93, 96, 102, 120, 124, 128, 136, 155, 160, 170, 186, 192, 204, 240, 248, 255, 256, 272, 289, 307, 310, 320, 340, 372, 384, 408, 465, 480, 496, 510, 512, 527, 544, 578, 614, 620, 640, 680, 744, 768, 816, 867, 921, 930, 960, 992, 1020, 1054, 1088, 1156, 1228, 1240, 1280, 1360, 1445, 1488, 1535, 1536, 1581, 1632, 1734, 1842, 1860, 1920, 1984, 2040, 2108, 2176, 2312, 2456, 2480, 2560, 2635, 2720, 2890, 2976, 3070, 3162, 3264, 3468, 3684, 3720, 3840, 3968, 4080, 4216, 4335, 4352, 4605, 4624, 4912, 4960, 5219, 5270, 5440, 5780, 5952, 6140, 6324, 6528, 6936, 7368, 7440, 7680, 7905, 7936, 8160, 8432, 8670, 8704, 8959, 9210, 9248, 9517, 9824, 9920, 10438, 10540, 10880, 11560, 11904, 12280, 12648, 13056, 13872, 14736, 14880, 15657, 15810, 15872, 16320, 16864, 17340, 17918, 18420, 18496, 19034, 19648, 19840, 20876, 21080, 21760, 23120, 23808, 24560, 25296, 26095, 26112, 26877, 27744, 28551, 29472, 29760, 31314, 31620, 32640, 33728, 34680, 35836, 36840, 36992, 38068, 39296, 39680, 41752, 42160, 43520, 44795, 46240, 47585, 47616, 49120, 50592, 52190, 53754, 55488, 57102, 58944, 59520, 62628, 63240, 65280, 67456, 69360, 71672, 73680, 73984, 76136, 78285, 78592, 79360, 83504, 84320, 88723, 89590, 92480, 95170, 98240, 101184, 104380, 107508, 110976, 114204, 117888, 119040, 125256, 126480, 130560, 134385, 134912, 138720, 142755, 143344, 147360, 147968, 152272, 156570, 157184, 161789, 167008, 168640, 177446, 179180, 184960, 190340, 196480, 202368, 208760, 215016, 221952, 228408, 235776, 238080, 250512, 252960, 266169, 268770, 269824, 277440, 285510, 286688, 294720, 304544, 313140, 323578, 334016, 337280, 354892, 358360, 369920, 380680, 392960, 404736, 417520, 430032, 443615, 443904, 456816, 471552, 485367, 501024, 505920, 532338, 537540, 554880, 571020, 573376, 589440, 609088, 626280, 647156, 668032, 674560, 709784, 716720, 739840, 761360, 785920, 808945, 809472, 835040, 860064, 887230, 913632, 970734, 1002048, 1011840, 1064676, 1075080, 1109760, 1142040, 1146752, 1178880, 1218176, 1252560, 1294312, 1330845, 1336064, 1349120, 1419568, 1433440, 1522720, 1617890, 1670080, 1720128, 1774460, 1827264, 1941468, 2004096, 2023680, 2129352, 2150160, 2219520, 2284080, 2293504, 2357760, 2426835, 2436352, 2505120, 2588624, 2661690, 2672128, 2750413, 2839136, 2866880, 3045440, 3235780, 3340160, 3440256, 3548920, 3654528, 3882936, 4008192, 4047360, 4258704, 4300320, 4568160, 4587008, 4853670, 4872704, 5010240, 5177248, 5323380, 5500826, 5678272, 5733760, 6090880, 6471560, 6680320, 6880512, 7097840, 7309056, 7765872, 8016384, 8251239, 8517408, 8600640, 9136320, 9707340, 10020480, 10354496, 10646760, 11001652, 11356544, 11467520, 12181760, 12943120, 13360640, 13752065, 13761024, 14195680, 14618112, 15531744, 16502478, 17034816, 17201280, 18272640, 19414680, 20040960, 20708992, 21293520, 22003304, 22713088, 22935040, 24363520, 25886240, 27504130, 28391360, 31063488, 33004956, 34069632, 34402560, 36545280, 38829360, 40081920, 41256195, 41417984, 42587040, 44006608, 45426176, 51772480, 55008260, 56782720, 62126976, 66009912, 68139264, 68805120, 73090560, 77658720, 82512390, 82835968, 85174080, 88013216, 103544960, 110016520, 113565440, 124253952, 132019824, 136278528, 155317440, 165024780, 170348160, 176026432, 207089920, 220033040, 227130880, 248507904, 264039648, 310634880, 330049560, 340696320, 352052864, 414179840, 440066080, 528079296, 621269760, 660099120, 681392640, 704105728, 880132160, 1056158592, 1242539520, 1320198240, 1408211456, 1760264320, 2112317184, 2640396480, 3520528640, 4224634368, 5280792960, 7041057280, 10561585920, 21123171840]

約数ペア:

[(1, 21123171840), (2, 10561585920), (3, 7041057280), (4, 5280792960), (5, 4224634368), (6, 3520528640), (8, 2640396480), (10, 2112317184), (12, 1760264320), (15, 1408211456), (16, 1320198240), (17, 1242539520), (20, 1056158592), (24, 880132160), (30, 704105728), (31, 681392640), (32, 660099120), (34, 621269760), (40, 528079296), (48, 440066080), (51, 414179840), (60, 352052864), (62, 340696320), (64, 330049560), (68, 310634880), (80, 264039648), (85, 248507904), (93, 227130880), (96, 220033040), (102, 207089920), (120, 176026432), (124, 170348160), (128, 165024780), (136, 155317440), (155, 136278528), (160, 132019824), (170, 124253952), (186, 113565440), (192, 110016520), (204, 103544960), (240, 88013216), (248, 85174080), (255, 82835968), (256, 82512390), (272, 77658720), (289, 73090560), (307, 68805120), (310, 68139264), (320, 66009912), (340, 62126976), (372, 56782720), (384, 55008260), (408, 51772480), (465, 45426176), (480, 44006608), (496, 42587040), (510, 41417984), (512, 41256195), (527, 40081920), (544, 38829360), (578, 36545280), (614, 34402560), (620, 34069632), (640, 33004956), (680, 31063488), (744, 28391360), (768, 27504130), (816, 25886240), (867, 24363520), (921, 22935040), (930, 22713088), (960, 22003304), (992, 21293520), (1020, 20708992), (1054, 20040960), (1088, 19414680), (1156, 18272640), (1228, 17201280), (1240, 17034816), (1280, 16502478), (1360, 15531744), (1445, 14618112), (1488, 14195680), (1535, 13761024), (1536, 13752065), (1581, 13360640), (1632, 12943120), (1734, 12181760), (1842, 11467520), (1860, 11356544), (1920, 11001652), (1984, 10646760), (2040, 10354496), (2108, 10020480), (2176, 9707340), (2312, 9136320), (2456, 8600640), (2480, 8517408), (2560, 8251239), (2635, 8016384), (2720, 7765872), (2890, 7309056), (2976, 7097840), (3070, 6880512), (3162, 6680320), (3264, 6471560), (3468, 6090880), (3684, 5733760), (3720, 5678272), (3840, 5500826), (3968, 5323380), (4080, 5177248), (4216, 5010240), (4335, 4872704), (4352, 4853670), (4605, 4587008), (4624, 4568160), (4912, 4300320), (4960, 4258704), (5219, 4047360), (5270, 4008192), (5440, 3882936), (5780, 3654528), (5952, 3548920), (6140, 3440256), (6324, 3340160), (6528, 3235780), (6936, 3045440), (7368, 2866880), (7440, 2839136), (7680, 2750413), (7905, 2672128), (7936, 2661690), (8160, 2588624), (8432, 2505120), (8670, 2436352), (8704, 2426835), (8959, 2357760), (9210, 2293504), (9248, 2284080), (9517, 2219520), (9824, 2150160), (9920, 2129352), (10438, 2023680), (10540, 2004096), (10880, 1941468), (11560, 1827264), (11904, 1774460), (12280, 1720128), (12648, 1670080), (13056, 1617890), (13872, 1522720), (14736, 1433440), (14880, 1419568), (15657, 1349120), (15810, 1336064), (15872, 1330845), (16320, 1294312), (16864, 1252560), (17340, 1218176), (17918, 1178880), (18420, 1146752), (18496, 1142040), (19034, 1109760), (19648, 1075080), (19840, 1064676), (20876, 1011840), (21080, 1002048), (21760, 970734), (23120, 913632), (23808, 887230), (24560, 860064), (25296, 835040), (26095, 809472), (26112, 808945), (26877, 785920), (27744, 761360), (28551, 739840), (29472, 716720), (29760, 709784), (31314, 674560), (31620, 668032), (32640, 647156), (33728, 626280), (34680, 609088), (35836, 589440), (36840, 573376), (36992, 571020), (38068, 554880), (39296, 537540), (39680, 532338), (41752, 505920), (42160, 501024), (43520, 485367), (44795, 471552), (46240, 456816), (47585, 443904), (47616, 443615), (49120, 430032), (50592, 417520), (52190, 404736), (53754, 392960), (55488, 380680), (57102, 369920), (58944, 358360), (59520, 354892), (62628, 337280), (63240, 334016), (65280, 323578), (67456, 313140), (69360, 304544), (71672, 294720), (73680, 286688), (73984, 285510), (76136, 277440), (78285, 269824), (78592, 268770), (79360, 266169), (83504, 252960), (84320, 250512), (88723, 238080), (89590, 235776), (92480, 228408), (95170, 221952), (98240, 215016), (101184, 208760), (104380, 202368), (107508, 196480), (110976, 190340), (114204, 184960), (117888, 179180), (119040, 177446), (125256, 168640), (126480, 167008), (130560, 161789), (134385, 157184), (134912, 156570), (138720, 152272), (142755, 147968), (143344, 147360)]