21291268320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{301747}}^1$

素因数の和:301782

約数の個数: 216

約数和(自身を含む): 84519011304

約数和(自身を除く): 63227742984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 23520, 35280, 70560, 301747, 603494, 905241, 1206988, 1508735, 1810482, 2112229, 2413976, 2715723, 3017470, 3620964, 4224458, 4526205, 4827952, 5431446, 6034940, 6336687, 7241928, 8448916, 9052410, 9655904, 10561145, 10862892, 12069880, 12673374, 13578615, 14483856, 14785603, 16897832, 18104820, 19010061, 21122290, 21725784, 24139760, 25346748, 27157230, 28967712, 29571206, 31683435, 33795664, 36209640, 38020122, 42244580, 43451568, 44356809, 48279520, 50693496, 54314460, 59142412, 63366870, 67591328, 72419280, 73928015, 76040244, 84489160, 86903136, 88713618, 95050305, 101386992, 108628920, 118284824, 126733740, 133070427, 144838560, 147856030, 152080488, 168978320, 177427236, 190100610, 202773984, 217257840, 221784045, 236569648, 253467480, 266140854, 295712060, 304160976, 337956640, 354854472, 380201220, 434515680, 443568090, 473139296, 506934960, 532281708, 591424120, 608321952, 665352135, 709708944, 760402440, 887136180, 1013869920, 1064563416, 1182848240, 1330704270, 1419417888, 1520804880, 1774272360, 2129126832, 2365696480, 2661408540, 3041609760, 3548544720, 4258253664, 5322817080, 7097089440, 10645634160, 21291268320]

約数ペア:

[(1, 21291268320), (2, 10645634160), (3, 7097089440), (4, 5322817080), (5, 4258253664), (6, 3548544720), (7, 3041609760), (8, 2661408540), (9, 2365696480), (10, 2129126832), (12, 1774272360), (14, 1520804880), (15, 1419417888), (16, 1330704270), (18, 1182848240), (20, 1064563416), (21, 1013869920), (24, 887136180), (28, 760402440), (30, 709708944), (32, 665352135), (35, 608321952), (36, 591424120), (40, 532281708), (42, 506934960), (45, 473139296), (48, 443568090), (49, 434515680), (56, 380201220), (60, 354854472), (63, 337956640), (70, 304160976), (72, 295712060), (80, 266140854), (84, 253467480), (90, 236569648), (96, 221784045), (98, 217257840), (105, 202773984), (112, 190100610), (120, 177427236), (126, 168978320), (140, 152080488), (144, 147856030), (147, 144838560), (160, 133070427), (168, 126733740), (180, 118284824), (196, 108628920), (210, 101386992), (224, 95050305), (240, 88713618), (245, 86903136), (252, 84489160), (280, 76040244), (288, 73928015), (294, 72419280), (315, 67591328), (336, 63366870), (360, 59142412), (392, 54314460), (420, 50693496), (441, 48279520), (480, 44356809), (490, 43451568), (504, 42244580), (560, 38020122), (588, 36209640), (630, 33795664), (672, 31683435), (720, 29571206), (735, 28967712), (784, 27157230), (840, 25346748), (882, 24139760), (980, 21725784), (1008, 21122290), (1120, 19010061), (1176, 18104820), (1260, 16897832), (1440, 14785603), (1470, 14483856), (1568, 13578615), (1680, 12673374), (1764, 12069880), (1960, 10862892), (2016, 10561145), (2205, 9655904), (2352, 9052410), (2520, 8448916), (2940, 7241928), (3360, 6336687), (3528, 6034940), (3920, 5431446), (4410, 4827952), (4704, 4526205), (5040, 4224458), (5880, 3620964), (7056, 3017470), (7840, 2715723), (8820, 2413976), (10080, 2112229), (11760, 1810482), (14112, 1508735), (17640, 1206988), (23520, 905241), (35280, 603494), (70560, 301747)]