21003672816

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{52223}}^1$

素因数の和:52273

約数の個数: 240

約数和(自身を含む): 73823846400

約数和(自身を除く): 52820173584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 49, 54, 56, 57, 63, 72, 76, 84, 98, 108, 112, 114, 126, 133, 144, 147, 152, 168, 171, 189, 196, 216, 228, 252, 266, 294, 304, 336, 342, 378, 392, 399, 432, 441, 456, 504, 513, 532, 588, 684, 756, 784, 798, 882, 912, 931, 1008, 1026, 1064, 1176, 1197, 1323, 1368, 1512, 1596, 1764, 1862, 2052, 2128, 2352, 2394, 2646, 2736, 2793, 3024, 3192, 3528, 3591, 3724, 4104, 4788, 5292, 5586, 6384, 7056, 7182, 7448, 8208, 8379, 9576, 10584, 11172, 14364, 14896, 16758, 19152, 21168, 22344, 25137, 28728, 33516, 44688, 50274, 52223, 57456, 67032, 100548, 104446, 134064, 156669, 201096, 208892, 313338, 365561, 402192, 417784, 470007, 626676, 731122, 835568, 940014, 992237, 1096683, 1253352, 1410021, 1462244, 1880028, 1984474, 2193366, 2506704, 2558927, 2820042, 2924488, 2976711, 3290049, 3760056, 3968948, 4386732, 5117854, 5640084, 5848976, 5953422, 6580098, 6945659, 7520112, 7676781, 7937896, 8773464, 8930133, 9870147, 10235708, 11280168, 11906844, 13160196, 13891318, 15353562, 15875792, 17546928, 17860266, 19740294, 20471416, 20836977, 22560336, 23030343, 23813688, 26320392, 26790399, 27782636, 30707124, 35720532, 39480588, 40942832, 41673954, 46060686, 47627376, 48619613, 52640784, 53580798, 55565272, 61414248, 62510931, 69091029, 71441064, 78961176, 83347908, 92121372, 97239226, 107161596, 111130544, 122828496, 125021862, 138182058, 142882128, 145858839, 157922352, 166695816, 184242744, 187532793, 194478452, 214323192, 250043724, 276364116, 291717678, 333391632, 368485488, 375065586, 388956904, 428646384, 437576517, 500087448, 552728232, 583435356, 750131172, 777913808, 875153034, 1000174896, 1105456464, 1166870712, 1312729551, 1500262344, 1750306068, 2333741424, 2625459102, 3000524688, 3500612136, 5250918204, 7001224272, 10501836408, 21003672816]

約数ペア:

[(1, 21003672816), (2, 10501836408), (3, 7001224272), (4, 5250918204), (6, 3500612136), (7, 3000524688), (8, 2625459102), (9, 2333741424), (12, 1750306068), (14, 1500262344), (16, 1312729551), (18, 1166870712), (19, 1105456464), (21, 1000174896), (24, 875153034), (27, 777913808), (28, 750131172), (36, 583435356), (38, 552728232), (42, 500087448), (48, 437576517), (49, 428646384), (54, 388956904), (56, 375065586), (57, 368485488), (63, 333391632), (72, 291717678), (76, 276364116), (84, 250043724), (98, 214323192), (108, 194478452), (112, 187532793), (114, 184242744), (126, 166695816), (133, 157922352), (144, 145858839), (147, 142882128), (152, 138182058), (168, 125021862), (171, 122828496), (189, 111130544), (196, 107161596), (216, 97239226), (228, 92121372), (252, 83347908), (266, 78961176), (294, 71441064), (304, 69091029), (336, 62510931), (342, 61414248), (378, 55565272), (392, 53580798), (399, 52640784), (432, 48619613), (441, 47627376), (456, 46060686), (504, 41673954), (513, 40942832), (532, 39480588), (588, 35720532), (684, 30707124), (756, 27782636), (784, 26790399), (798, 26320392), (882, 23813688), (912, 23030343), (931, 22560336), (1008, 20836977), (1026, 20471416), (1064, 19740294), (1176, 17860266), (1197, 17546928), (1323, 15875792), (1368, 15353562), (1512, 13891318), (1596, 13160196), (1764, 11906844), (1862, 11280168), (2052, 10235708), (2128, 9870147), (2352, 8930133), (2394, 8773464), (2646, 7937896), (2736, 7676781), (2793, 7520112), (3024, 6945659), (3192, 6580098), (3528, 5953422), (3591, 5848976), (3724, 5640084), (4104, 5117854), (4788, 4386732), (5292, 3968948), (5586, 3760056), (6384, 3290049), (7056, 2976711), (7182, 2924488), (7448, 2820042), (8208, 2558927), (8379, 2506704), (9576, 2193366), (10584, 1984474), (11172, 1880028), (14364, 1462244), (14896, 1410021), (16758, 1253352), (19152, 1096683), (21168, 992237), (22344, 940014), (25137, 835568), (28728, 731122), (33516, 626676), (44688, 470007), (50274, 417784), (52223, 402192), (57456, 365561), (67032, 313338), (100548, 208892), (104446, 201096), (134064, 156669)]