21678216840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{10903}}^1$

素因数の和:11193

約数の個数: 256

約数和(自身を含む): 82905292800

約数和(自身を除く): 61227075960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 263, 270, 280, 315, 360, 378, 420, 504, 526, 540, 630, 756, 789, 840, 945, 1052, 1080, 1260, 1315, 1512, 1578, 1841, 1890, 2104, 2367, 2520, 2630, 3156, 3682, 3780, 3945, 4734, 5260, 5523, 6312, 7101, 7364, 7560, 7890, 9205, 9468, 10520, 10903, 11046, 11835, 14202, 14728, 15780, 16569, 18410, 18936, 21806, 22092, 23670, 27615, 28404, 31560, 32709, 33138, 35505, 36820, 43612, 44184, 47340, 49707, 54515, 55230, 56808, 65418, 66276, 71010, 73640, 76321, 82845, 87224, 94680, 98127, 99414, 109030, 110460, 130836, 132552, 142020, 152642, 163545, 165690, 196254, 198828, 218060, 220920, 228963, 248535, 261672, 284040, 294381, 305284, 327090, 331380, 381605, 392508, 397656, 436120, 457926, 490635, 497070, 588762, 610568, 654180, 662760, 686889, 763210, 785016, 915852, 981270, 994140, 1144815, 1177524, 1308360, 1373778, 1471905, 1526420, 1831704, 1962540, 1988280, 2060667, 2289630, 2355048, 2747556, 2867489, 2943810, 3052840, 3434445, 3925080, 4121334, 4579260, 5495112, 5734978, 5887620, 6868890, 8242668, 8602467, 9158520, 10303335, 11469956, 11775240, 13737780, 14337445, 16485336, 17204934, 20072423, 20606670, 22939912, 25807401, 27475560, 28674890, 34409868, 40144846, 41213340, 43012335, 51614802, 57349780, 60217269, 68819736, 77422203, 80289692, 82426680, 86024670, 100362115, 103229604, 114699560, 120434538, 129037005, 154844406, 160579384, 172049340, 180651807, 200724230, 206459208, 240869076, 258074010, 301086345, 309688812, 344098680, 361303614, 387111015, 401448460, 481738152, 516148020, 541955421, 602172690, 619377624, 722607228, 774222030, 802896920, 903259035, 1032296040, 1083910842, 1204345380, 1445214456, 1548444060, 1806518070, 2167821684, 2408690760, 2709777105, 3096888120, 3613036140, 4335643368, 5419554210, 7226072280, 10839108420, 21678216840]

約数ペア:

[(1, 21678216840), (2, 10839108420), (3, 7226072280), (4, 5419554210), (5, 4335643368), (6, 3613036140), (7, 3096888120), (8, 2709777105), (9, 2408690760), (10, 2167821684), (12, 1806518070), (14, 1548444060), (15, 1445214456), (18, 1204345380), (20, 1083910842), (21, 1032296040), (24, 903259035), (27, 802896920), (28, 774222030), (30, 722607228), (35, 619377624), (36, 602172690), (40, 541955421), (42, 516148020), (45, 481738152), (54, 401448460), (56, 387111015), (60, 361303614), (63, 344098680), (70, 309688812), (72, 301086345), (84, 258074010), (90, 240869076), (105, 206459208), (108, 200724230), (120, 180651807), (126, 172049340), (135, 160579384), (140, 154844406), (168, 129037005), (180, 120434538), (189, 114699560), (210, 103229604), (216, 100362115), (252, 86024670), (263, 82426680), (270, 80289692), (280, 77422203), (315, 68819736), (360, 60217269), (378, 57349780), (420, 51614802), (504, 43012335), (526, 41213340), (540, 40144846), (630, 34409868), (756, 28674890), (789, 27475560), (840, 25807401), (945, 22939912), (1052, 20606670), (1080, 20072423), (1260, 17204934), (1315, 16485336), (1512, 14337445), (1578, 13737780), (1841, 11775240), (1890, 11469956), (2104, 10303335), (2367, 9158520), (2520, 8602467), (2630, 8242668), (3156, 6868890), (3682, 5887620), (3780, 5734978), (3945, 5495112), (4734, 4579260), (5260, 4121334), (5523, 3925080), (6312, 3434445), (7101, 3052840), (7364, 2943810), (7560, 2867489), (7890, 2747556), (9205, 2355048), (9468, 2289630), (10520, 2060667), (10903, 1988280), (11046, 1962540), (11835, 1831704), (14202, 1526420), (14728, 1471905), (15780, 1373778), (16569, 1308360), (18410, 1177524), (18936, 1144815), (21806, 994140), (22092, 981270), (23670, 915852), (27615, 785016), (28404, 763210), (31560, 686889), (32709, 662760), (33138, 654180), (35505, 610568), (36820, 588762), (43612, 497070), (44184, 490635), (47340, 457926), (49707, 436120), (54515, 397656), (55230, 392508), (56808, 381605), (65418, 331380), (66276, 327090), (71010, 305284), (73640, 294381), (76321, 284040), (82845, 261672), (87224, 248535), (94680, 228963), (98127, 220920), (99414, 218060), (109030, 198828), (110460, 196254), (130836, 165690), (132552, 163545), (142020, 152642)]