21167992454

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{1759}}^1$

素因数の和:2098

約数の個数: 96

約数和(自身を含む): 40737945600

約数和(自身を除く): 19569953146

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 49, 98, 133, 161, 266, 281, 322, 437, 562, 874, 931, 1127, 1759, 1862, 1967, 2254, 3059, 3518, 3934, 5339, 6118, 6463, 10678, 12313, 12926, 13769, 21413, 24626, 27538, 33421, 37373, 40457, 42826, 45241, 66842, 74746, 80914, 86191, 90482, 122797, 172382, 233947, 245594, 261611, 283199, 316687, 467894, 494279, 523222, 566398, 633374, 768683, 859579, 988558, 1537366, 1637629, 1719158, 1982393, 3275258, 3459953, 3964786, 5380781, 6017053, 6919906, 9391301, 10761562, 11368417, 12034106, 18782602, 22736834, 24219671, 37665467, 48439342, 65739107, 75330934, 79578919, 131478214, 159157838, 215999923, 431999846, 460173749, 557052433, 920347498, 1114104866, 1511999461, 3023998922, 10583996227, 21167992454]

約数ペア:

[(1, 21167992454), (2, 10583996227), (7, 3023998922), (14, 1511999461), (19, 1114104866), (23, 920347498), (38, 557052433), (46, 460173749), (49, 431999846), (98, 215999923), (133, 159157838), (161, 131478214), (266, 79578919), (281, 75330934), (322, 65739107), (437, 48439342), (562, 37665467), (874, 24219671), (931, 22736834), (1127, 18782602), (1759, 12034106), (1862, 11368417), (1967, 10761562), (2254, 9391301), (3059, 6919906), (3518, 6017053), (3934, 5380781), (5339, 3964786), (6118, 3459953), (6463, 3275258), (10678, 1982393), (12313, 1719158), (12926, 1637629), (13769, 1537366), (21413, 988558), (24626, 859579), (27538, 768683), (33421, 633374), (37373, 566398), (40457, 523222), (42826, 494279), (45241, 467894), (66842, 316687), (74746, 283199), (80914, 261611), (86191, 245594), (90482, 233947), (122797, 172382)]