21042802560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12583}}^1$

素因数の和:12685

約数の個数: 256

約数和(自身を含む): 73317404160

約数和(自身を除く): 52274601600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 67, 78, 80, 96, 104, 120, 128, 130, 134, 156, 160, 192, 195, 201, 208, 240, 260, 268, 312, 320, 335, 384, 390, 402, 416, 480, 520, 536, 624, 640, 670, 780, 804, 832, 871, 960, 1005, 1040, 1072, 1248, 1340, 1560, 1608, 1664, 1742, 1920, 2010, 2080, 2144, 2496, 2613, 2680, 3120, 3216, 3484, 4020, 4160, 4288, 4355, 4992, 5226, 5360, 6240, 6432, 6968, 8040, 8320, 8576, 8710, 10452, 10720, 12480, 12583, 12864, 13065, 13936, 16080, 17420, 20904, 21440, 24960, 25166, 25728, 26130, 27872, 32160, 34840, 37749, 41808, 42880, 50332, 52260, 55744, 62915, 64320, 69680, 75498, 83616, 100664, 104520, 111488, 125830, 128640, 139360, 150996, 163579, 167232, 188745, 201328, 209040, 251660, 278720, 301992, 327158, 334464, 377490, 402656, 418080, 490737, 503320, 557440, 603984, 654316, 754980, 805312, 817895, 836160, 843061, 981474, 1006640, 1207968, 1308632, 1509960, 1610624, 1635790, 1672320, 1686122, 1962948, 2013280, 2415936, 2453685, 2529183, 2617264, 3019920, 3271580, 3372244, 3925896, 4026560, 4215305, 4831872, 4907370, 5058366, 5234528, 6039840, 6543160, 6744488, 7851792, 8053120, 8430610, 9814740, 10116732, 10469056, 10959793, 12079680, 12645915, 13086320, 13488976, 15703584, 16861220, 19629480, 20233464, 20938112, 21919586, 24159360, 25291830, 26172640, 26977952, 31407168, 32879379, 33722440, 39258960, 40466928, 43839172, 50583660, 52345280, 53955904, 54798965, 62814336, 65758758, 67444880, 78517920, 80933856, 87678344, 101167320, 104690560, 107911808, 109597930, 131517516, 134889760, 157035840, 161867712, 164396895, 175356688, 202334640, 219195860, 263035032, 269779520, 314071680, 323735424, 328793790, 350713376, 404669280, 438391720, 526070064, 539559040, 657587580, 701426752, 809338560, 876783440, 1052140128, 1315175160, 1402853504, 1618677120, 1753566880, 2104280256, 2630350320, 3507133760, 4208560512, 5260700640, 7014267520, 10521401280, 21042802560]

約数ペア:

[(1, 21042802560), (2, 10521401280), (3, 7014267520), (4, 5260700640), (5, 4208560512), (6, 3507133760), (8, 2630350320), (10, 2104280256), (12, 1753566880), (13, 1618677120), (15, 1402853504), (16, 1315175160), (20, 1052140128), (24, 876783440), (26, 809338560), (30, 701426752), (32, 657587580), (39, 539559040), (40, 526070064), (48, 438391720), (52, 404669280), (60, 350713376), (64, 328793790), (65, 323735424), (67, 314071680), (78, 269779520), (80, 263035032), (96, 219195860), (104, 202334640), (120, 175356688), (128, 164396895), (130, 161867712), (134, 157035840), (156, 134889760), (160, 131517516), (192, 109597930), (195, 107911808), (201, 104690560), (208, 101167320), (240, 87678344), (260, 80933856), (268, 78517920), (312, 67444880), (320, 65758758), (335, 62814336), (384, 54798965), (390, 53955904), (402, 52345280), (416, 50583660), (480, 43839172), (520, 40466928), (536, 39258960), (624, 33722440), (640, 32879379), (670, 31407168), (780, 26977952), (804, 26172640), (832, 25291830), (871, 24159360), (960, 21919586), (1005, 20938112), (1040, 20233464), (1072, 19629480), (1248, 16861220), (1340, 15703584), (1560, 13488976), (1608, 13086320), (1664, 12645915), (1742, 12079680), (1920, 10959793), (2010, 10469056), (2080, 10116732), (2144, 9814740), (2496, 8430610), (2613, 8053120), (2680, 7851792), (3120, 6744488), (3216, 6543160), (3484, 6039840), (4020, 5234528), (4160, 5058366), (4288, 4907370), (4355, 4831872), (4992, 4215305), (5226, 4026560), (5360, 3925896), (6240, 3372244), (6432, 3271580), (6968, 3019920), (8040, 2617264), (8320, 2529183), (8576, 2453685), (8710, 2415936), (10452, 2013280), (10720, 1962948), (12480, 1686122), (12583, 1672320), (12864, 1635790), (13065, 1610624), (13936, 1509960), (16080, 1308632), (17420, 1207968), (20904, 1006640), (21440, 981474), (24960, 843061), (25166, 836160), (25728, 817895), (26130, 805312), (27872, 754980), (32160, 654316), (34840, 603984), (37749, 557440), (41808, 503320), (42880, 490737), (50332, 418080), (52260, 402656), (55744, 377490), (62915, 334464), (64320, 327158), (69680, 301992), (75498, 278720), (83616, 251660), (100664, 209040), (104520, 201328), (111488, 188745), (125830, 167232), (128640, 163579), (139360, 150996)]