21135109320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{145679}}^1$

素因数の和:145740

約数の個数: 192

約数和(自身を含む): 76359628800

約数和(自身を除く): 55224519480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1860, 2015, 2232, 2340, 2418, 2790, 3224, 3627, 3720, 4030, 4680, 4836, 5580, 6045, 7254, 8060, 9672, 11160, 12090, 14508, 16120, 18135, 24180, 29016, 36270, 48360, 72540, 145080, 145679, 291358, 437037, 582716, 728395, 874074, 1165432, 1311111, 1456790, 1748148, 1893827, 2185185, 2622222, 2913580, 3496296, 3787654, 4370370, 4516049, 5244444, 5681481, 5827160, 6555555, 7575308, 8740740, 9032098, 9469135, 10488888, 11362962, 13111110, 13548147, 15150616, 17044443, 17481480, 18064196, 18938270, 22580245, 22725924, 26222220, 27096294, 28407405, 34088886, 36128392, 37876540, 40644441, 45160490, 45451848, 52444440, 54192588, 56814810, 58708637, 67740735, 68177772, 75753080, 81288882, 85222215, 90320980, 108385176, 113629620, 117417274, 135481470, 136355544, 162577764, 170444430, 176125911, 180641960, 203222205, 227259240, 234834548, 270962940, 293543185, 325155528, 340888860, 352251822, 406444410, 469669096, 528377733, 541925880, 587086370, 681777720, 704503644, 812888820, 880629555, 1056755466, 1174172740, 1409007288, 1625777640, 1761259110, 2113510932, 2348345480, 2641888665, 3522518220, 4227021864, 5283777330, 7045036440, 10567554660, 21135109320]

約数ペア:

[(1, 21135109320), (2, 10567554660), (3, 7045036440), (4, 5283777330), (5, 4227021864), (6, 3522518220), (8, 2641888665), (9, 2348345480), (10, 2113510932), (12, 1761259110), (13, 1625777640), (15, 1409007288), (18, 1174172740), (20, 1056755466), (24, 880629555), (26, 812888820), (30, 704503644), (31, 681777720), (36, 587086370), (39, 541925880), (40, 528377733), (45, 469669096), (52, 406444410), (60, 352251822), (62, 340888860), (65, 325155528), (72, 293543185), (78, 270962940), (90, 234834548), (93, 227259240), (104, 203222205), (117, 180641960), (120, 176125911), (124, 170444430), (130, 162577764), (155, 136355544), (156, 135481470), (180, 117417274), (186, 113629620), (195, 108385176), (234, 90320980), (248, 85222215), (260, 81288882), (279, 75753080), (310, 68177772), (312, 67740735), (360, 58708637), (372, 56814810), (390, 54192588), (403, 52444440), (465, 45451848), (468, 45160490), (520, 40644441), (558, 37876540), (585, 36128392), (620, 34088886), (744, 28407405), (780, 27096294), (806, 26222220), (930, 22725924), (936, 22580245), (1116, 18938270), (1170, 18064196), (1209, 17481480), (1240, 17044443), (1395, 15150616), (1560, 13548147), (1612, 13111110), (1860, 11362962), (2015, 10488888), (2232, 9469135), (2340, 9032098), (2418, 8740740), (2790, 7575308), (3224, 6555555), (3627, 5827160), (3720, 5681481), (4030, 5244444), (4680, 4516049), (4836, 4370370), (5580, 3787654), (6045, 3496296), (7254, 2913580), (8060, 2622222), (9672, 2185185), (11160, 1893827), (12090, 1748148), (14508, 1456790), (16120, 1311111), (18135, 1165432), (24180, 874074), (29016, 728395), (36270, 582716), (48360, 437037), (72540, 291358), (145080, 145679)]