21077007840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{696991}}^1$

素因数の和:697022

約数の個数: 192

約数和(自身を含む): 84308152320

約数和(自身を除く): 63231144480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 696991, 1393982, 2090973, 2787964, 3484955, 4181946, 4878937, 5575928, 6272919, 6969910, 8363892, 9757874, 10454865, 11151856, 12545838, 13939820, 14636811, 16727784, 18818757, 19515748, 20909730, 22303712, 24394685, 25091676, 27879640, 29273622, 31364595, 33455568, 37637514, 39031496, 41819460, 43910433, 48789370, 50183352, 55759280, 58547244, 62729190, 66911136, 73184055, 75275028, 78062992, 83638920, 87820866, 94093785, 97578740, 100366704, 111518560, 117094488, 125458380, 131731299, 146368110, 150550056, 156125984, 167277840, 175641732, 188187570, 195157480, 200733408, 219552165, 234188976, 250916760, 263462598, 292736220, 301100112, 334555680, 351283464, 376375140, 390314960, 439104330, 468377952, 501833520, 526925196, 585472440, 602200224, 658656495, 702566928, 752750280, 780629920, 878208660, 1003667040, 1053850392, 1170944880, 1317312990, 1405133856, 1505500560, 1756417320, 2107700784, 2341889760, 2634625980, 3011001120, 3512834640, 4215401568, 5269251960, 7025669280, 10538503920, 21077007840]

約数ペア:

[(1, 21077007840), (2, 10538503920), (3, 7025669280), (4, 5269251960), (5, 4215401568), (6, 3512834640), (7, 3011001120), (8, 2634625980), (9, 2341889760), (10, 2107700784), (12, 1756417320), (14, 1505500560), (15, 1405133856), (16, 1317312990), (18, 1170944880), (20, 1053850392), (21, 1003667040), (24, 878208660), (27, 780629920), (28, 752750280), (30, 702566928), (32, 658656495), (35, 602200224), (36, 585472440), (40, 526925196), (42, 501833520), (45, 468377952), (48, 439104330), (54, 390314960), (56, 376375140), (60, 351283464), (63, 334555680), (70, 301100112), (72, 292736220), (80, 263462598), (84, 250916760), (90, 234188976), (96, 219552165), (105, 200733408), (108, 195157480), (112, 188187570), (120, 175641732), (126, 167277840), (135, 156125984), (140, 150550056), (144, 146368110), (160, 131731299), (168, 125458380), (180, 117094488), (189, 111518560), (210, 100366704), (216, 97578740), (224, 94093785), (240, 87820866), (252, 83638920), (270, 78062992), (280, 75275028), (288, 73184055), (315, 66911136), (336, 62729190), (360, 58547244), (378, 55759280), (420, 50183352), (432, 48789370), (480, 43910433), (504, 41819460), (540, 39031496), (560, 37637514), (630, 33455568), (672, 31364595), (720, 29273622), (756, 27879640), (840, 25091676), (864, 24394685), (945, 22303712), (1008, 20909730), (1080, 19515748), (1120, 18818757), (1260, 16727784), (1440, 14636811), (1512, 13939820), (1680, 12545838), (1890, 11151856), (2016, 10454865), (2160, 9757874), (2520, 8363892), (3024, 6969910), (3360, 6272919), (3780, 5575928), (4320, 4878937), (5040, 4181946), (6048, 3484955), (7560, 2787964), (10080, 2090973), (15120, 1393982), (30240, 696991)]