21689976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 68866560

約数和(自身を除く): 47176584

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 97, 121, 132, 154, 168, 194, 231, 242, 264, 291, 308, 363, 388, 462, 484, 582, 616, 679, 726, 776, 847, 924, 968, 1067, 1164, 1331, 1358, 1452, 1694, 1848, 2037, 2134, 2328, 2541, 2662, 2716, 2904, 3201, 3388, 3993, 4074, 4268, 5082, 5324, 5432, 6402, 6776, 7469, 7986, 8148, 8536, 9317, 10164, 10648, 11737, 12804, 14938, 15972, 16296, 18634, 20328, 22407, 23474, 25608, 27951, 29876, 31944, 35211, 37268, 44814, 46948, 55902, 59752, 70422, 74536, 82159, 89628, 93896, 111804, 129107, 140844, 164318, 179256, 223608, 246477, 258214, 281688, 328636, 387321, 492954, 516428, 657272, 774642, 903749, 985908, 1032856, 1549284, 1807498, 1971816, 2711247, 3098568, 3614996, 5422494, 7229992, 10844988, 21689976]

約数ペア:

[(1, 21689976), (2, 10844988), (3, 7229992), (4, 5422494), (6, 3614996), (7, 3098568), (8, 2711247), (11, 1971816), (12, 1807498), (14, 1549284), (21, 1032856), (22, 985908), (24, 903749), (28, 774642), (33, 657272), (42, 516428), (44, 492954), (56, 387321), (66, 328636), (77, 281688), (84, 258214), (88, 246477), (97, 223608), (121, 179256), (132, 164318), (154, 140844), (168, 129107), (194, 111804), (231, 93896), (242, 89628), (264, 82159), (291, 74536), (308, 70422), (363, 59752), (388, 55902), (462, 46948), (484, 44814), (582, 37268), (616, 35211), (679, 31944), (726, 29876), (776, 27951), (847, 25608), (924, 23474), (968, 22407), (1067, 20328), (1164, 18634), (1331, 16296), (1358, 15972), (1452, 14938), (1694, 12804), (1848, 11737), (2037, 10648), (2134, 10164), (2328, 9317), (2541, 8536), (2662, 8148), (2716, 7986), (2904, 7469), (3201, 6776), (3388, 6402), (3993, 5432), (4074, 5324), (4268, 5082)]