21291174520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:459

約数の個数: 384

約数和(自身を含む): 63707212800

約数和(自身を除く): 42416038280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 89, 92, 110, 115, 121, 140, 154, 161, 178, 184, 220, 230, 242, 253, 280, 307, 308, 322, 356, 385, 440, 445, 460, 484, 506, 605, 614, 616, 623, 644, 712, 770, 805, 847, 890, 920, 968, 979, 1012, 1210, 1228, 1246, 1265, 1288, 1535, 1540, 1610, 1694, 1771, 1780, 1958, 2024, 2047, 2149, 2420, 2456, 2492, 2530, 2783, 3070, 3080, 3115, 3220, 3377, 3388, 3542, 3560, 3916, 4094, 4235, 4298, 4840, 4895, 4984, 5060, 5566, 6140, 6230, 6440, 6754, 6776, 6853, 7061, 7084, 7832, 8188, 8470, 8596, 8855, 9790, 10120, 10235, 10745, 10769, 11132, 12280, 12460, 13508, 13706, 13915, 14122, 14168, 14329, 16376, 16885, 16940, 17192, 17710, 19481, 19580, 20470, 21490, 21538, 22264, 22517, 23639, 24920, 27016, 27323, 27412, 27830, 28244, 28658, 33770, 33880, 34265, 35305, 35420, 37147, 38962, 39160, 40940, 42980, 43076, 45034, 47278, 49427, 53845, 54646, 54824, 55660, 56488, 57316, 67540, 68530, 70610, 70840, 71645, 74294, 75383, 77671, 77924, 81880, 85960, 86152, 90068, 94556, 97405, 98854, 107690, 109292, 111320, 112585, 114632, 118195, 135080, 136615, 137060, 141220, 143290, 148588, 150766, 155342, 155848, 157619, 180136, 185735, 189112, 191261, 194810, 197708, 215380, 218584, 225170, 236390, 247135, 247687, 260029, 273230, 274120, 282440, 286580, 297176, 300553, 301532, 310684, 315238, 371470, 376915, 382522, 388355, 389620, 395416, 430760, 450340, 472780, 494270, 495374, 520058, 543697, 546460, 573160, 601106, 603064, 621368, 628429, 630476, 742940, 753830, 765044, 776710, 779240, 788095, 854381, 900680, 945560, 956305, 988540, 990748, 1040116, 1087394, 1092920, 1202212, 1238435, 1256858, 1260952, 1300145, 1485880, 1502765, 1507660, 1530088, 1553420, 1576190, 1708762, 1733809, 1912610, 1977080, 1981496, 2080232, 2103871, 2174788, 2404424, 2476870, 2513716, 2600290, 2718485, 3005530, 3015320, 3106840, 3142145, 3152380, 3306083, 3417524, 3467618, 3825220, 4207742, 4271905, 4349576, 4399003, 4953740, 5027432, 5200580, 5436970, 5980667, 6011060, 6284290, 6304760, 6612166, 6835048, 6912719, 6935236, 7650440, 8415484, 8543810, 8669045, 8798006, 9907480, 10401160, 10519355, 10873940, 11961334, 12022120, 12568580, 13224332, 13825438, 13870472, 16530415, 16830968, 17087620, 17338090, 17596012, 21038710, 21747880, 21995015, 23142581, 23922668, 25137160, 26448664, 27650876, 29903335, 33060830, 34175240, 34563595, 34676180, 35192024, 42077420, 43990030, 46285162, 47845336, 48389033, 55301752, 59806670, 66121660, 69127190, 69352360, 76039909, 84154840, 87980060, 92570324, 96778066, 115712905, 119613340, 132243320, 138254380, 152079818, 175960120, 185140648, 193556132, 231425810, 239226680, 241945165, 276508760, 304159636, 380199545, 387112264, 462851620, 483890330, 532279363, 608319272, 760399090, 925703240, 967780660, 1064558726, 1520798180, 1935561320, 2129117452, 2661396815, 3041596360, 4258234904, 5322793630, 10645587260, 21291174520]

約数ペア:

[(1, 21291174520), (2, 10645587260), (4, 5322793630), (5, 4258234904), (7, 3041596360), (8, 2661396815), (10, 2129117452), (11, 1935561320), (14, 1520798180), (20, 1064558726), (22, 967780660), (23, 925703240), (28, 760399090), (35, 608319272), (40, 532279363), (44, 483890330), (46, 462851620), (55, 387112264), (56, 380199545), (70, 304159636), (77, 276508760), (88, 241945165), (89, 239226680), (92, 231425810), (110, 193556132), (115, 185140648), (121, 175960120), (140, 152079818), (154, 138254380), (161, 132243320), (178, 119613340), (184, 115712905), (220, 96778066), (230, 92570324), (242, 87980060), (253, 84154840), (280, 76039909), (307, 69352360), (308, 69127190), (322, 66121660), (356, 59806670), (385, 55301752), (440, 48389033), (445, 47845336), (460, 46285162), (484, 43990030), (506, 42077420), (605, 35192024), (614, 34676180), (616, 34563595), (623, 34175240), (644, 33060830), (712, 29903335), (770, 27650876), (805, 26448664), (847, 25137160), (890, 23922668), (920, 23142581), (968, 21995015), (979, 21747880), (1012, 21038710), (1210, 17596012), (1228, 17338090), (1246, 17087620), (1265, 16830968), (1288, 16530415), (1535, 13870472), (1540, 13825438), (1610, 13224332), (1694, 12568580), (1771, 12022120), (1780, 11961334), (1958, 10873940), (2024, 10519355), (2047, 10401160), (2149, 9907480), (2420, 8798006), (2456, 8669045), (2492, 8543810), (2530, 8415484), (2783, 7650440), (3070, 6935236), (3080, 6912719), (3115, 6835048), (3220, 6612166), (3377, 6304760), (3388, 6284290), (3542, 6011060), (3560, 5980667), (3916, 5436970), (4094, 5200580), (4235, 5027432), (4298, 4953740), (4840, 4399003), (4895, 4349576), (4984, 4271905), (5060, 4207742), (5566, 3825220), (6140, 3467618), (6230, 3417524), (6440, 3306083), (6754, 3152380), (6776, 3142145), (6853, 3106840), (7061, 3015320), (7084, 3005530), (7832, 2718485), (8188, 2600290), (8470, 2513716), (8596, 2476870), (8855, 2404424), (9790, 2174788), (10120, 2103871), (10235, 2080232), (10745, 1981496), (10769, 1977080), (11132, 1912610), (12280, 1733809), (12460, 1708762), (13508, 1576190), (13706, 1553420), (13915, 1530088), (14122, 1507660), (14168, 1502765), (14329, 1485880), (16376, 1300145), (16885, 1260952), (16940, 1256858), (17192, 1238435), (17710, 1202212), (19481, 1092920), (19580, 1087394), (20470, 1040116), (21490, 990748), (21538, 988540), (22264, 956305), (22517, 945560), (23639, 900680), (24920, 854381), (27016, 788095), (27323, 779240), (27412, 776710), (27830, 765044), (28244, 753830), (28658, 742940), (33770, 630476), (33880, 628429), (34265, 621368), (35305, 603064), (35420, 601106), (37147, 573160), (38962, 546460), (39160, 543697), (40940, 520058), (42980, 495374), (43076, 494270), (45034, 472780), (47278, 450340), (49427, 430760), (53845, 395416), (54646, 389620), (54824, 388355), (55660, 382522), (56488, 376915), (57316, 371470), (67540, 315238), (68530, 310684), (70610, 301532), (70840, 300553), (71645, 297176), (74294, 286580), (75383, 282440), (77671, 274120), (77924, 273230), (81880, 260029), (85960, 247687), (86152, 247135), (90068, 236390), (94556, 225170), (97405, 218584), (98854, 215380), (107690, 197708), (109292, 194810), (111320, 191261), (112585, 189112), (114632, 185735), (118195, 180136), (135080, 157619), (136615, 155848), (137060, 155342), (141220, 150766), (143290, 148588)]