21709380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 78446592

約数和(自身を除く): 56737212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 37, 42, 44, 55, 60, 66, 70, 74, 77, 84, 105, 110, 111, 127, 132, 140, 148, 154, 165, 185, 210, 220, 222, 231, 254, 259, 308, 330, 370, 381, 385, 407, 420, 444, 462, 508, 518, 555, 635, 660, 740, 762, 770, 777, 814, 889, 924, 1036, 1110, 1155, 1221, 1270, 1295, 1397, 1524, 1540, 1554, 1628, 1778, 1905, 2035, 2220, 2310, 2442, 2540, 2590, 2667, 2794, 2849, 3108, 3556, 3810, 3885, 4070, 4191, 4445, 4620, 4699, 4884, 5180, 5334, 5588, 5698, 6105, 6985, 7620, 7770, 8140, 8382, 8547, 8890, 9398, 9779, 10668, 11396, 12210, 13335, 13970, 14097, 14245, 15540, 16764, 17094, 17780, 18796, 19558, 20955, 23495, 24420, 26670, 27940, 28194, 28490, 29337, 32893, 34188, 39116, 41910, 42735, 46990, 48895, 51689, 53340, 56388, 56980, 58674, 65786, 70485, 83820, 85470, 93980, 97790, 98679, 103378, 117348, 131572, 140970, 146685, 155067, 164465, 170940, 195580, 197358, 206756, 258445, 281940, 293370, 310134, 328930, 361823, 394716, 493395, 516890, 586740, 620268, 657860, 723646, 775335, 986790, 1033780, 1085469, 1447292, 1550670, 1809115, 1973580, 2170938, 3101340, 3618230, 4341876, 5427345, 7236460, 10854690, 21709380]

約数ペア:

[(1, 21709380), (2, 10854690), (3, 7236460), (4, 5427345), (5, 4341876), (6, 3618230), (7, 3101340), (10, 2170938), (11, 1973580), (12, 1809115), (14, 1550670), (15, 1447292), (20, 1085469), (21, 1033780), (22, 986790), (28, 775335), (30, 723646), (33, 657860), (35, 620268), (37, 586740), (42, 516890), (44, 493395), (55, 394716), (60, 361823), (66, 328930), (70, 310134), (74, 293370), (77, 281940), (84, 258445), (105, 206756), (110, 197358), (111, 195580), (127, 170940), (132, 164465), (140, 155067), (148, 146685), (154, 140970), (165, 131572), (185, 117348), (210, 103378), (220, 98679), (222, 97790), (231, 93980), (254, 85470), (259, 83820), (308, 70485), (330, 65786), (370, 58674), (381, 56980), (385, 56388), (407, 53340), (420, 51689), (444, 48895), (462, 46990), (508, 42735), (518, 41910), (555, 39116), (635, 34188), (660, 32893), (740, 29337), (762, 28490), (770, 28194), (777, 27940), (814, 26670), (889, 24420), (924, 23495), (1036, 20955), (1110, 19558), (1155, 18796), (1221, 17780), (1270, 17094), (1295, 16764), (1397, 15540), (1524, 14245), (1540, 14097), (1554, 13970), (1628, 13335), (1778, 12210), (1905, 11396), (2035, 10668), (2220, 9779), (2310, 9398), (2442, 8890), (2540, 8547), (2590, 8382), (2667, 8140), (2794, 7770), (2849, 7620), (3108, 6985), (3556, 6105), (3810, 5698), (3885, 5588), (4070, 5334), (4191, 5180), (4445, 4884), (4620, 4699)]