21283680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 76204800

約数和(自身を除く): 54921120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 32, 33, 40, 44, 48, 55, 58, 60, 66, 80, 87, 88, 96, 110, 116, 120, 132, 139, 145, 160, 165, 174, 176, 220, 232, 240, 264, 278, 290, 319, 330, 348, 352, 417, 435, 440, 464, 480, 528, 556, 580, 638, 660, 695, 696, 834, 870, 880, 928, 957, 1056, 1112, 1160, 1276, 1320, 1390, 1392, 1529, 1595, 1668, 1740, 1760, 1914, 2085, 2224, 2320, 2552, 2640, 2780, 2784, 3058, 3190, 3336, 3480, 3828, 4031, 4170, 4448, 4587, 4640, 4785, 5104, 5280, 5560, 6116, 6380, 6672, 6960, 7645, 7656, 8062, 8340, 9174, 9570, 10208, 11120, 12093, 12232, 12760, 13344, 13920, 15290, 15312, 16124, 16680, 18348, 19140, 20155, 22240, 22935, 24186, 24464, 25520, 30580, 30624, 32248, 33360, 36696, 38280, 40310, 44341, 45870, 48372, 48928, 51040, 60465, 61160, 64496, 66720, 73392, 76560, 80620, 88682, 91740, 96744, 120930, 122320, 128992, 133023, 146784, 153120, 161240, 177364, 183480, 193488, 221705, 241860, 244640, 266046, 322480, 354728, 366960, 386976, 443410, 483720, 532092, 644960, 665115, 709456, 733920, 886820, 967440, 1064184, 1330230, 1418912, 1773640, 1934880, 2128368, 2660460, 3547280, 4256736, 5320920, 7094560, 10641840, 21283680]

約数ペア:

[(1, 21283680), (2, 10641840), (3, 7094560), (4, 5320920), (5, 4256736), (6, 3547280), (8, 2660460), (10, 2128368), (11, 1934880), (12, 1773640), (15, 1418912), (16, 1330230), (20, 1064184), (22, 967440), (24, 886820), (29, 733920), (30, 709456), (32, 665115), (33, 644960), (40, 532092), (44, 483720), (48, 443410), (55, 386976), (58, 366960), (60, 354728), (66, 322480), (80, 266046), (87, 244640), (88, 241860), (96, 221705), (110, 193488), (116, 183480), (120, 177364), (132, 161240), (139, 153120), (145, 146784), (160, 133023), (165, 128992), (174, 122320), (176, 120930), (220, 96744), (232, 91740), (240, 88682), (264, 80620), (278, 76560), (290, 73392), (319, 66720), (330, 64496), (348, 61160), (352, 60465), (417, 51040), (435, 48928), (440, 48372), (464, 45870), (480, 44341), (528, 40310), (556, 38280), (580, 36696), (638, 33360), (660, 32248), (695, 30624), (696, 30580), (834, 25520), (870, 24464), (880, 24186), (928, 22935), (957, 22240), (1056, 20155), (1112, 19140), (1160, 18348), (1276, 16680), (1320, 16124), (1390, 15312), (1392, 15290), (1529, 13920), (1595, 13344), (1668, 12760), (1740, 12232), (1760, 12093), (1914, 11120), (2085, 10208), (2224, 9570), (2320, 9174), (2552, 8340), (2640, 8062), (2780, 7656), (2784, 7645), (3058, 6960), (3190, 6672), (3336, 6380), (3480, 6116), (3828, 5560), (4031, 5280), (4170, 5104), (4448, 4785), (4587, 4640)]