21704760

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 384

約数和(自身を含む): 94348800

約数和(自身を除く): 72644040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 29, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 58, 60, 63, 66, 70, 72, 77, 81, 84, 87, 88, 90, 99, 105, 108, 110, 116, 120, 126, 132, 135, 140, 145, 154, 162, 165, 168, 174, 180, 189, 198, 203, 210, 216, 220, 231, 232, 243, 252, 261, 264, 270, 280, 290, 297, 308, 315, 319, 324, 330, 348, 360, 378, 385, 396, 405, 406, 420, 435, 440, 462, 486, 495, 504, 522, 540, 567, 580, 594, 609, 616, 630, 638, 648, 660, 693, 696, 756, 770, 783, 792, 810, 812, 840, 870, 891, 924, 945, 957, 972, 990, 1015, 1044, 1080, 1134, 1155, 1160, 1188, 1215, 1218, 1260, 1276, 1305, 1320, 1386, 1485, 1512, 1540, 1566, 1595, 1620, 1624, 1701, 1740, 1782, 1827, 1848, 1890, 1914, 1944, 1980, 2030, 2079, 2088, 2233, 2268, 2310, 2349, 2376, 2430, 2436, 2520, 2552, 2610, 2673, 2772, 2835, 2871, 2970, 3045, 3080, 3132, 3190, 3240, 3402, 3465, 3480, 3564, 3654, 3780, 3828, 3915, 3960, 4060, 4158, 4455, 4466, 4536, 4620, 4698, 4785, 4860, 4872, 5220, 5346, 5481, 5544, 5670, 5742, 5940, 6090, 6237, 6264, 6380, 6699, 6804, 6930, 7047, 7128, 7308, 7560, 7656, 7830, 8120, 8316, 8505, 8613, 8910, 8932, 9135, 9240, 9396, 9570, 9720, 10395, 10440, 10692, 10962, 11165, 11340, 11484, 11745, 11880, 12180, 12474, 12760, 13365, 13398, 13608, 13860, 14094, 14355, 14616, 15660, 16443, 16632, 17010, 17226, 17820, 17864, 18270, 18711, 18792, 19140, 20097, 20790, 21384, 21924, 22330, 22680, 22968, 23490, 24360, 24948, 25839, 26730, 26796, 27405, 27720, 28188, 28710, 31185, 31320, 32886, 33495, 34020, 34452, 35235, 35640, 36540, 37422, 38280, 40194, 41580, 43065, 43848, 44660, 46980, 49329, 49896, 51678, 53460, 53592, 54810, 56376, 57420, 60291, 62370, 65772, 66990, 68040, 68904, 70470, 73080, 74844, 77517, 80388, 82215, 83160, 86130, 89320, 93555, 93960, 98658, 100485, 103356, 106920, 109620, 114840, 120582, 124740, 129195, 131544, 133980, 140940, 149688, 155034, 160776, 164430, 172260, 180873, 187110, 197316, 200970, 206712, 219240, 241164, 246645, 249480, 258390, 267960, 281880, 301455, 310068, 328860, 344520, 361746, 374220, 387585, 394632, 401940, 482328, 493290, 516780, 542619, 602910, 620136, 657720, 723492, 748440, 775170, 803880, 904365, 986580, 1033560, 1085238, 1205820, 1446984, 1550340, 1808730, 1973160, 2170476, 2411640, 2713095, 3100680, 3617460, 4340952, 5426190, 7234920, 10852380, 21704760]

約数ペア:

[(1, 21704760), (2, 10852380), (3, 7234920), (4, 5426190), (5, 4340952), (6, 3617460), (7, 3100680), (8, 2713095), (9, 2411640), (10, 2170476), (11, 1973160), (12, 1808730), (14, 1550340), (15, 1446984), (18, 1205820), (20, 1085238), (21, 1033560), (22, 986580), (24, 904365), (27, 803880), (28, 775170), (29, 748440), (30, 723492), (33, 657720), (35, 620136), (36, 602910), (40, 542619), (42, 516780), (44, 493290), (45, 482328), (54, 401940), (55, 394632), (56, 387585), (58, 374220), (60, 361746), (63, 344520), (66, 328860), (70, 310068), (72, 301455), (77, 281880), (81, 267960), (84, 258390), (87, 249480), (88, 246645), (90, 241164), (99, 219240), (105, 206712), (108, 200970), (110, 197316), (116, 187110), (120, 180873), (126, 172260), (132, 164430), (135, 160776), (140, 155034), (145, 149688), (154, 140940), (162, 133980), (165, 131544), (168, 129195), (174, 124740), (180, 120582), (189, 114840), (198, 109620), (203, 106920), (210, 103356), (216, 100485), (220, 98658), (231, 93960), (232, 93555), (243, 89320), (252, 86130), (261, 83160), (264, 82215), (270, 80388), (280, 77517), (290, 74844), (297, 73080), (308, 70470), (315, 68904), (319, 68040), (324, 66990), (330, 65772), (348, 62370), (360, 60291), (378, 57420), (385, 56376), (396, 54810), (405, 53592), (406, 53460), (420, 51678), (435, 49896), (440, 49329), (462, 46980), (486, 44660), (495, 43848), (504, 43065), (522, 41580), (540, 40194), (567, 38280), (580, 37422), (594, 36540), (609, 35640), (616, 35235), (630, 34452), (638, 34020), (648, 33495), (660, 32886), (693, 31320), (696, 31185), (756, 28710), (770, 28188), (783, 27720), (792, 27405), (810, 26796), (812, 26730), (840, 25839), (870, 24948), (891, 24360), (924, 23490), (945, 22968), (957, 22680), (972, 22330), (990, 21924), (1015, 21384), (1044, 20790), (1080, 20097), (1134, 19140), (1155, 18792), (1160, 18711), (1188, 18270), (1215, 17864), (1218, 17820), (1260, 17226), (1276, 17010), (1305, 16632), (1320, 16443), (1386, 15660), (1485, 14616), (1512, 14355), (1540, 14094), (1566, 13860), (1595, 13608), (1620, 13398), (1624, 13365), (1701, 12760), (1740, 12474), (1782, 12180), (1827, 11880), (1848, 11745), (1890, 11484), (1914, 11340), (1944, 11165), (1980, 10962), (2030, 10692), (2079, 10440), (2088, 10395), (2233, 9720), (2268, 9570), (2310, 9396), (2349, 9240), (2376, 9135), (2430, 8932), (2436, 8910), (2520, 8613), (2552, 8505), (2610, 8316), (2673, 8120), (2772, 7830), (2835, 7656), (2871, 7560), (2970, 7308), (3045, 7128), (3080, 7047), (3132, 6930), (3190, 6804), (3240, 6699), (3402, 6380), (3465, 6264), (3480, 6237), (3564, 6090), (3654, 5940), (3780, 5742), (3828, 5670), (3915, 5544), (3960, 5481), (4060, 5346), (4158, 5220), (4455, 4872), (4466, 4860), (4536, 4785), (4620, 4698)]