21264936

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 68290560

約数和(自身を除く): 47025624

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 37, 42, 44, 56, 66, 74, 77, 84, 88, 111, 132, 148, 154, 168, 222, 231, 259, 264, 296, 308, 311, 407, 444, 462, 518, 616, 622, 777, 814, 888, 924, 933, 1036, 1221, 1244, 1554, 1628, 1848, 1866, 2072, 2177, 2442, 2488, 2849, 3108, 3256, 3421, 3732, 4354, 4884, 5698, 6216, 6531, 6842, 7464, 8547, 8708, 9768, 10263, 11396, 11507, 13062, 13684, 17094, 17416, 20526, 22792, 23014, 23947, 26124, 27368, 34188, 34521, 41052, 46028, 47894, 52248, 68376, 69042, 71841, 80549, 82104, 92056, 95788, 126577, 138084, 143682, 161098, 191576, 241647, 253154, 276168, 287364, 322196, 379731, 483294, 506308, 574728, 644392, 759462, 886039, 966588, 1012616, 1518924, 1772078, 1933176, 2658117, 3037848, 3544156, 5316234, 7088312, 10632468, 21264936]

約数ペア:

[(1, 21264936), (2, 10632468), (3, 7088312), (4, 5316234), (6, 3544156), (7, 3037848), (8, 2658117), (11, 1933176), (12, 1772078), (14, 1518924), (21, 1012616), (22, 966588), (24, 886039), (28, 759462), (33, 644392), (37, 574728), (42, 506308), (44, 483294), (56, 379731), (66, 322196), (74, 287364), (77, 276168), (84, 253154), (88, 241647), (111, 191576), (132, 161098), (148, 143682), (154, 138084), (168, 126577), (222, 95788), (231, 92056), (259, 82104), (264, 80549), (296, 71841), (308, 69042), (311, 68376), (407, 52248), (444, 47894), (462, 46028), (518, 41052), (616, 34521), (622, 34188), (777, 27368), (814, 26124), (888, 23947), (924, 23014), (933, 22792), (1036, 20526), (1221, 17416), (1244, 17094), (1554, 13684), (1628, 13062), (1848, 11507), (1866, 11396), (2072, 10263), (2177, 9768), (2442, 8708), (2488, 8547), (2849, 7464), (3108, 6842), (3256, 6531), (3421, 6216), (3732, 5698), (4354, 4884)]