21000612312

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:951

約数の個数: 256

約数和(自身を含む): 63296640000

約数和(自身を除く): 42296027688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 71, 72, 102, 108, 109, 136, 142, 153, 204, 213, 216, 218, 284, 306, 327, 408, 426, 436, 459, 568, 612, 639, 654, 739, 852, 872, 918, 981, 1207, 1224, 1278, 1308, 1478, 1704, 1836, 1853, 1917, 1962, 2217, 2414, 2556, 2616, 2943, 2956, 3621, 3672, 3706, 3834, 3924, 4434, 4828, 5112, 5559, 5886, 5912, 6651, 7242, 7412, 7668, 7739, 7848, 8868, 9656, 10863, 11118, 11772, 12563, 13302, 14484, 14824, 15336, 15478, 16677, 17736, 19953, 21726, 22236, 23217, 23544, 25126, 26604, 28968, 30956, 32589, 33354, 37689, 39906, 43452, 44472, 46434, 50031, 50252, 52469, 53208, 61912, 65178, 66708, 69651, 75378, 79812, 80551, 86904, 92868, 100062, 100504, 104938, 113067, 130356, 131563, 133416, 139302, 150756, 157407, 159624, 161102, 185736, 200124, 208953, 209876, 226134, 241653, 260712, 263126, 278604, 301512, 314814, 322204, 339201, 394689, 400248, 417906, 419752, 452268, 472221, 483306, 526252, 557208, 629628, 644408, 678402, 724959, 789378, 835812, 891973, 904536, 944442, 966612, 1052504, 1184067, 1259256, 1356804, 1369367, 1416663, 1449918, 1578756, 1671624, 1783946, 1888884, 1933224, 2174877, 2368134, 2675919, 2713608, 2738734, 2833326, 2899836, 3157512, 3552201, 3567892, 3777768, 4108101, 4349754, 4736268, 5351838, 5477468, 5666652, 5719121, 5799672, 7104402, 7135784, 8027757, 8216202, 8699508, 9472536, 10703676, 10954936, 11333304, 11438242, 12324303, 14208804, 16055514, 16432404, 17157363, 17399016, 21407352, 22876484, 24083271, 24648606, 28417608, 32111028, 32864808, 34314726, 36972909, 45752968, 48166542, 49297212, 51472089, 64222056, 68629452, 73945818, 96333084, 97225057, 98594424, 102944178, 137258904, 147891636, 154416267, 192666168, 194450114, 205888356, 291675171, 295783272, 308832534, 388900228, 411776712, 583350342, 617665068, 777800456, 875025513, 1166700684, 1235330136, 1750051026, 2333401368, 2625076539, 3500102052, 5250153078, 7000204104, 10500306156, 21000612312]

約数ペア:

[(1, 21000612312), (2, 10500306156), (3, 7000204104), (4, 5250153078), (6, 3500102052), (8, 2625076539), (9, 2333401368), (12, 1750051026), (17, 1235330136), (18, 1166700684), (24, 875025513), (27, 777800456), (34, 617665068), (36, 583350342), (51, 411776712), (54, 388900228), (68, 308832534), (71, 295783272), (72, 291675171), (102, 205888356), (108, 194450114), (109, 192666168), (136, 154416267), (142, 147891636), (153, 137258904), (204, 102944178), (213, 98594424), (216, 97225057), (218, 96333084), (284, 73945818), (306, 68629452), (327, 64222056), (408, 51472089), (426, 49297212), (436, 48166542), (459, 45752968), (568, 36972909), (612, 34314726), (639, 32864808), (654, 32111028), (739, 28417608), (852, 24648606), (872, 24083271), (918, 22876484), (981, 21407352), (1207, 17399016), (1224, 17157363), (1278, 16432404), (1308, 16055514), (1478, 14208804), (1704, 12324303), (1836, 11438242), (1853, 11333304), (1917, 10954936), (1962, 10703676), (2217, 9472536), (2414, 8699508), (2556, 8216202), (2616, 8027757), (2943, 7135784), (2956, 7104402), (3621, 5799672), (3672, 5719121), (3706, 5666652), (3834, 5477468), (3924, 5351838), (4434, 4736268), (4828, 4349754), (5112, 4108101), (5559, 3777768), (5886, 3567892), (5912, 3552201), (6651, 3157512), (7242, 2899836), (7412, 2833326), (7668, 2738734), (7739, 2713608), (7848, 2675919), (8868, 2368134), (9656, 2174877), (10863, 1933224), (11118, 1888884), (11772, 1783946), (12563, 1671624), (13302, 1578756), (14484, 1449918), (14824, 1416663), (15336, 1369367), (15478, 1356804), (16677, 1259256), (17736, 1184067), (19953, 1052504), (21726, 966612), (22236, 944442), (23217, 904536), (23544, 891973), (25126, 835812), (26604, 789378), (28968, 724959), (30956, 678402), (32589, 644408), (33354, 629628), (37689, 557208), (39906, 526252), (43452, 483306), (44472, 472221), (46434, 452268), (50031, 419752), (50252, 417906), (52469, 400248), (53208, 394689), (61912, 339201), (65178, 322204), (66708, 314814), (69651, 301512), (75378, 278604), (79812, 263126), (80551, 260712), (86904, 241653), (92868, 226134), (100062, 209876), (100504, 208953), (104938, 200124), (113067, 185736), (130356, 161102), (131563, 159624), (133416, 157407), (139302, 150756)]