21647820768

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{65609}}^1$

素因数の和:66120

約数の個数: 96

約数和(自身を含む): 65076721920

約数和(自身を除く): 43428901152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 491, 672, 982, 1473, 1964, 2946, 3437, 3928, 5892, 6874, 7856, 10311, 11784, 13748, 15712, 20622, 23568, 27496, 41244, 47136, 54992, 65609, 82488, 109984, 131218, 164976, 196827, 262436, 329952, 393654, 459263, 524872, 787308, 918526, 1049744, 1377789, 1574616, 1837052, 2099488, 2755578, 3149232, 3674104, 5511156, 6298464, 7348208, 11022312, 14696416, 22044624, 32214019, 44089248, 64428038, 96642057, 128856076, 193284114, 225498133, 257712152, 386568228, 450996266, 515424304, 676494399, 773136456, 901992532, 1030848608, 1352988798, 1546272912, 1803985064, 2705977596, 3092545824, 3607970128, 5411955192, 7215940256, 10823910384, 21647820768]

約数ペア:

[(1, 21647820768), (2, 10823910384), (3, 7215940256), (4, 5411955192), (6, 3607970128), (7, 3092545824), (8, 2705977596), (12, 1803985064), (14, 1546272912), (16, 1352988798), (21, 1030848608), (24, 901992532), (28, 773136456), (32, 676494399), (42, 515424304), (48, 450996266), (56, 386568228), (84, 257712152), (96, 225498133), (112, 193284114), (168, 128856076), (224, 96642057), (336, 64428038), (491, 44089248), (672, 32214019), (982, 22044624), (1473, 14696416), (1964, 11022312), (2946, 7348208), (3437, 6298464), (3928, 5511156), (5892, 3674104), (6874, 3149232), (7856, 2755578), (10311, 2099488), (11784, 1837052), (13748, 1574616), (15712, 1377789), (20622, 1049744), (23568, 918526), (27496, 787308), (41244, 524872), (47136, 459263), (54992, 393654), (65609, 329952), (82488, 262436), (109984, 196827), (131218, 164976)]