21086750160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{597697}}^1$

素因数の和:597730

約数の個数: 180

約数和(自身を含む): 82378324548

約数和(自身を除く): 61291574388

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 35280, 597697, 1195394, 1793091, 2390788, 2988485, 3586182, 4183879, 4781576, 5379273, 5976970, 7172364, 8367758, 8965455, 9563152, 10758546, 11953940, 12551637, 14344728, 16735516, 17930910, 20919395, 21517092, 23907880, 25103274, 26896365, 28689456, 29287153, 33471032, 35861820, 37654911, 41838790, 43034184, 47815760, 50206548, 53792730, 58574306, 62758185, 66942064, 71723640, 75309822, 83677580, 86068368, 87861459, 100413096, 107585460, 117148612, 125516370, 143447280, 146435765, 150619644, 167355160, 175722918, 188274555, 200826192, 215170920, 234297224, 251032740, 263584377, 292871530, 301239288, 334710320, 351445836, 376549110, 430341840, 439307295, 468594448, 502065480, 527168754, 585743060, 602478576, 702891672, 753098220, 878614590, 1004130960, 1054337508, 1171486120, 1317921885, 1405783344, 1506196440, 1757229180, 2108675016, 2342972240, 2635843770, 3012392880, 3514458360, 4217350032, 5271687540, 7028916720, 10543375080, 21086750160]

約数ペア:

[(1, 21086750160), (2, 10543375080), (3, 7028916720), (4, 5271687540), (5, 4217350032), (6, 3514458360), (7, 3012392880), (8, 2635843770), (9, 2342972240), (10, 2108675016), (12, 1757229180), (14, 1506196440), (15, 1405783344), (16, 1317921885), (18, 1171486120), (20, 1054337508), (21, 1004130960), (24, 878614590), (28, 753098220), (30, 702891672), (35, 602478576), (36, 585743060), (40, 527168754), (42, 502065480), (45, 468594448), (48, 439307295), (49, 430341840), (56, 376549110), (60, 351445836), (63, 334710320), (70, 301239288), (72, 292871530), (80, 263584377), (84, 251032740), (90, 234297224), (98, 215170920), (105, 200826192), (112, 188274555), (120, 175722918), (126, 167355160), (140, 150619644), (144, 146435765), (147, 143447280), (168, 125516370), (180, 117148612), (196, 107585460), (210, 100413096), (240, 87861459), (245, 86068368), (252, 83677580), (280, 75309822), (294, 71723640), (315, 66942064), (336, 62758185), (360, 58574306), (392, 53792730), (420, 50206548), (441, 47815760), (490, 43034184), (504, 41838790), (560, 37654911), (588, 35861820), (630, 33471032), (720, 29287153), (735, 28689456), (784, 26896365), (840, 25103274), (882, 23907880), (980, 21517092), (1008, 20919395), (1176, 17930910), (1260, 16735516), (1470, 14344728), (1680, 12551637), (1764, 11953940), (1960, 10758546), (2205, 9563152), (2352, 8965455), (2520, 8367758), (2940, 7172364), (3528, 5976970), (3920, 5379273), (4410, 4781576), (5040, 4183879), (5880, 3586182), (7056, 2988485), (8820, 2390788), (11760, 1793091), (17640, 1195394), (35280, 597697)]