21836376485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 34502934528

約数和(自身を除く): 12666558043

約数列:

[1, 5, 7, 11, 35, 47, 55, 61, 73, 77, 235, 271, 305, 329, 365, 385, 427, 511, 517, 671, 803, 1355, 1645, 1897, 2135, 2555, 2585, 2867, 2981, 3355, 3431, 3619, 4015, 4453, 4697, 5621, 9485, 12737, 14335, 14905, 16531, 17155, 18095, 19783, 20069, 20867, 22265, 23485, 24017, 28105, 31171, 31537, 37741, 48983, 63685, 82655, 89159, 98915, 100345, 104335, 115717, 120085, 138481, 140107, 155855, 157685, 181841, 188705, 209291, 217613, 220759, 244915, 264187, 342881, 445795, 578585, 692405, 700535, 776957, 909205, 929801, 980749, 1046455, 1088065, 1103795, 1206763, 1272887, 1320935, 1465037, 1523291, 1714405, 2302201, 3884785, 4649005, 4903745, 5438699, 6033815, 6364435, 6508607, 7325185, 7616455, 8447341, 8546527, 10227811, 11511005, 13274393, 16115407, 27193495, 32543035, 42236705, 42732635, 51139055, 56717861, 59825689, 66371965, 71594677, 80577035, 92920751, 283589305, 299128445, 357973385, 397025027, 464603755, 623896471, 1985125135, 3119482355, 4367275297, 21836376485]

約数ペア:

[(1, 21836376485), (5, 4367275297), (7, 3119482355), (11, 1985125135), (35, 623896471), (47, 464603755), (55, 397025027), (61, 357973385), (73, 299128445), (77, 283589305), (235, 92920751), (271, 80577035), (305, 71594677), (329, 66371965), (365, 59825689), (385, 56717861), (427, 51139055), (511, 42732635), (517, 42236705), (671, 32543035), (803, 27193495), (1355, 16115407), (1645, 13274393), (1897, 11511005), (2135, 10227811), (2555, 8546527), (2585, 8447341), (2867, 7616455), (2981, 7325185), (3355, 6508607), (3431, 6364435), (3619, 6033815), (4015, 5438699), (4453, 4903745), (4697, 4649005), (5621, 3884785), (9485, 2302201), (12737, 1714405), (14335, 1523291), (14905, 1465037), (16531, 1320935), (17155, 1272887), (18095, 1206763), (19783, 1103795), (20069, 1088065), (20867, 1046455), (22265, 980749), (23485, 929801), (24017, 909205), (28105, 776957), (31171, 700535), (31537, 692405), (37741, 578585), (48983, 445795), (63685, 342881), (82655, 264187), (89159, 244915), (98915, 220759), (100345, 217613), (104335, 209291), (115717, 188705), (120085, 181841), (138481, 157685), (140107, 155855)]