21766360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 41271080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 191, 220, 259, 280, 296, 308, 370, 382, 385, 407, 440, 518, 616, 740, 764, 770, 814, 955, 1036, 1295, 1337, 1480, 1528, 1540, 1628, 1910, 2035, 2072, 2101, 2590, 2674, 2849, 3080, 3256, 3820, 4070, 4202, 5180, 5348, 5698, 6685, 7067, 7640, 8140, 8404, 10360, 10505, 10696, 11396, 13370, 14134, 14245, 14707, 16280, 16808, 21010, 22792, 26740, 28268, 28490, 29414, 35335, 42020, 49469, 53480, 56536, 56980, 58828, 70670, 73535, 77737, 84040, 98938, 113960, 117656, 141340, 147070, 155474, 197876, 247345, 282680, 294140, 310948, 388685, 395752, 494690, 544159, 588280, 621896, 777370, 989380, 1088318, 1554740, 1978760, 2176636, 2720795, 3109480, 4353272, 5441590, 10883180, 21766360]

約数ペア:

[(1, 21766360), (2, 10883180), (4, 5441590), (5, 4353272), (7, 3109480), (8, 2720795), (10, 2176636), (11, 1978760), (14, 1554740), (20, 1088318), (22, 989380), (28, 777370), (35, 621896), (37, 588280), (40, 544159), (44, 494690), (55, 395752), (56, 388685), (70, 310948), (74, 294140), (77, 282680), (88, 247345), (110, 197876), (140, 155474), (148, 147070), (154, 141340), (185, 117656), (191, 113960), (220, 98938), (259, 84040), (280, 77737), (296, 73535), (308, 70670), (370, 58828), (382, 56980), (385, 56536), (407, 53480), (440, 49469), (518, 42020), (616, 35335), (740, 29414), (764, 28490), (770, 28268), (814, 26740), (955, 22792), (1036, 21010), (1295, 16808), (1337, 16280), (1480, 14707), (1528, 14245), (1540, 14134), (1628, 13370), (1910, 11396), (2035, 10696), (2072, 10505), (2101, 10360), (2590, 8404), (2674, 8140), (2849, 7640), (3080, 7067), (3256, 6685), (3820, 5698), (4070, 5348), (4202, 5180)]