21020631840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{374299}}^1$

素因数の和:374336

約数の個数: 192

約数和(自身を含む): 79231824000

約数和(自身を除く): 58211192160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 3120, 3510, 3744, 4320, 4680, 5616, 6240, 7020, 9360, 11232, 14040, 18720, 28080, 56160, 374299, 748598, 1122897, 1497196, 1871495, 2245794, 2994392, 3368691, 3742990, 4491588, 4865887, 5614485, 5988784, 6737382, 7485980, 8983176, 9731774, 10106073, 11228970, 11977568, 13474764, 14597661, 14971960, 16843455, 17966352, 19463548, 20212146, 22457940, 24329435, 26949528, 29195322, 29943920, 33686910, 35932704, 38927096, 40424292, 43792983, 44915880, 48658870, 50530365, 53899056, 58390644, 59887840, 67373820, 72988305, 77854192, 80848584, 87585966, 89831760, 97317740, 101060730, 107798112, 116781288, 131378949, 134747640, 145976610, 155708384, 161697168, 175171932, 179663520, 194635480, 202121460, 218964915, 233562576, 262757898, 269495280, 291953220, 323394336, 350343864, 389270960, 404242920, 437929830, 467125152, 525515796, 538990560, 583906440, 656894745, 700687728, 778541920, 808485840, 875859660, 1051031592, 1167812880, 1313789490, 1401375456, 1616971680, 1751719320, 2102063184, 2335625760, 2627578980, 3503438640, 4204126368, 5255157960, 7006877280, 10510315920, 21020631840]

約数ペア:

[(1, 21020631840), (2, 10510315920), (3, 7006877280), (4, 5255157960), (5, 4204126368), (6, 3503438640), (8, 2627578980), (9, 2335625760), (10, 2102063184), (12, 1751719320), (13, 1616971680), (15, 1401375456), (16, 1313789490), (18, 1167812880), (20, 1051031592), (24, 875859660), (26, 808485840), (27, 778541920), (30, 700687728), (32, 656894745), (36, 583906440), (39, 538990560), (40, 525515796), (45, 467125152), (48, 437929830), (52, 404242920), (54, 389270960), (60, 350343864), (65, 323394336), (72, 291953220), (78, 269495280), (80, 262757898), (90, 233562576), (96, 218964915), (104, 202121460), (108, 194635480), (117, 179663520), (120, 175171932), (130, 161697168), (135, 155708384), (144, 145976610), (156, 134747640), (160, 131378949), (180, 116781288), (195, 107798112), (208, 101060730), (216, 97317740), (234, 89831760), (240, 87585966), (260, 80848584), (270, 77854192), (288, 72988305), (312, 67373820), (351, 59887840), (360, 58390644), (390, 53899056), (416, 50530365), (432, 48658870), (468, 44915880), (480, 43792983), (520, 40424292), (540, 38927096), (585, 35932704), (624, 33686910), (702, 29943920), (720, 29195322), (780, 26949528), (864, 24329435), (936, 22457940), (1040, 20212146), (1080, 19463548), (1170, 17966352), (1248, 16843455), (1404, 14971960), (1440, 14597661), (1560, 13474764), (1755, 11977568), (1872, 11228970), (2080, 10106073), (2160, 9731774), (2340, 8983176), (2808, 7485980), (3120, 6737382), (3510, 5988784), (3744, 5614485), (4320, 4865887), (4680, 4491588), (5616, 3742990), (6240, 3368691), (7020, 2994392), (9360, 2245794), (11232, 1871495), (14040, 1497196), (18720, 1122897), (28080, 748598), (56160, 374299)]