21188619816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1\times {\mathrm{5717}}^1$

素因数の和:7443

約数の個数: 128

約数和(自身を含む): 65245582080

約数和(自身を除く): 44056962264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 1697, 2184, 3394, 5091, 5717, 6788, 10182, 11434, 11879, 13576, 17151, 20364, 22061, 22868, 23758, 34302, 35637, 40019, 40728, 44122, 45736, 47516, 66183, 68604, 71274, 74321, 80038, 88244, 95032, 120057, 132366, 137208, 142548, 148642, 154427, 160076, 176488, 222963, 240114, 264732, 285096, 297284, 308854, 320152, 445926, 463281, 480228, 520247, 529464, 594568, 617708, 891852, 926562, 960456, 1040494, 1235416, 1560741, 1783704, 1853124, 2080988, 3121482, 3706248, 4161976, 6242964, 9701749, 12485928, 19403498, 29105247, 38806996, 58210494, 67912243, 77613992, 116420988, 126122737, 135824486, 203736729, 232841976, 252245474, 271648972, 378368211, 407473458, 504490948, 543297944, 756736422, 814946916, 882859159, 1008981896, 1513472844, 1629893832, 1765718318, 2648577477, 3026945688, 3531436636, 5297154954, 7062873272, 10594309908, 21188619816]

約数ペア:

[(1, 21188619816), (2, 10594309908), (3, 7062873272), (4, 5297154954), (6, 3531436636), (7, 3026945688), (8, 2648577477), (12, 1765718318), (13, 1629893832), (14, 1513472844), (21, 1008981896), (24, 882859159), (26, 814946916), (28, 756736422), (39, 543297944), (42, 504490948), (52, 407473458), (56, 378368211), (78, 271648972), (84, 252245474), (91, 232841976), (104, 203736729), (156, 135824486), (168, 126122737), (182, 116420988), (273, 77613992), (312, 67912243), (364, 58210494), (546, 38806996), (728, 29105247), (1092, 19403498), (1697, 12485928), (2184, 9701749), (3394, 6242964), (5091, 4161976), (5717, 3706248), (6788, 3121482), (10182, 2080988), (11434, 1853124), (11879, 1783704), (13576, 1560741), (17151, 1235416), (20364, 1040494), (22061, 960456), (22868, 926562), (23758, 891852), (34302, 617708), (35637, 594568), (40019, 529464), (40728, 520247), (44122, 480228), (45736, 463281), (47516, 445926), (66183, 320152), (68604, 308854), (71274, 297284), (74321, 285096), (80038, 264732), (88244, 240114), (95032, 222963), (120057, 176488), (132366, 160076), (137208, 154427), (142548, 148642)]