21095760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:485

約数の個数: 160

約数和(自身を含む): 77495040

約数和(自身を除く): 56399280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 433, 435, 464, 560, 580, 609, 696, 812, 840, 866, 870, 1015, 1160, 1218, 1299, 1392, 1624, 1680, 1732, 1740, 2030, 2165, 2320, 2436, 2598, 3031, 3045, 3248, 3464, 3480, 4060, 4330, 4872, 5196, 6062, 6090, 6495, 6928, 6960, 8120, 8660, 9093, 9744, 10392, 12124, 12180, 12557, 12990, 15155, 16240, 17320, 18186, 20784, 24248, 24360, 25114, 25980, 30310, 34640, 36372, 37671, 45465, 48496, 48720, 50228, 51960, 60620, 62785, 72744, 75342, 87899, 90930, 100456, 103920, 121240, 125570, 145488, 150684, 175798, 181860, 188355, 200912, 242480, 251140, 263697, 301368, 351596, 363720, 376710, 439495, 502280, 527394, 602736, 703192, 727440, 753420, 878990, 1004560, 1054788, 1318485, 1406384, 1506840, 1757980, 2109576, 2636970, 3013680, 3515960, 4219152, 5273940, 7031920, 10547880, 21095760]

約数ペア:

[(1, 21095760), (2, 10547880), (3, 7031920), (4, 5273940), (5, 4219152), (6, 3515960), (7, 3013680), (8, 2636970), (10, 2109576), (12, 1757980), (14, 1506840), (15, 1406384), (16, 1318485), (20, 1054788), (21, 1004560), (24, 878990), (28, 753420), (29, 727440), (30, 703192), (35, 602736), (40, 527394), (42, 502280), (48, 439495), (56, 376710), (58, 363720), (60, 351596), (70, 301368), (80, 263697), (84, 251140), (87, 242480), (105, 200912), (112, 188355), (116, 181860), (120, 175798), (140, 150684), (145, 145488), (168, 125570), (174, 121240), (203, 103920), (210, 100456), (232, 90930), (240, 87899), (280, 75342), (290, 72744), (336, 62785), (348, 60620), (406, 51960), (420, 50228), (433, 48720), (435, 48496), (464, 45465), (560, 37671), (580, 36372), (609, 34640), (696, 30310), (812, 25980), (840, 25114), (866, 24360), (870, 24248), (1015, 20784), (1160, 18186), (1218, 17320), (1299, 16240), (1392, 15155), (1624, 12990), (1680, 12557), (1732, 12180), (1740, 12124), (2030, 10392), (2165, 9744), (2320, 9093), (2436, 8660), (2598, 8120), (3031, 6960), (3045, 6928), (3248, 6495), (3464, 6090), (3480, 6062), (4060, 5196), (4330, 4872)]