21693056

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 34708864

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 71, 77, 88, 112, 124, 128, 142, 154, 176, 217, 224, 248, 284, 308, 341, 352, 434, 448, 496, 497, 568, 616, 682, 704, 781, 868, 896, 992, 994, 1136, 1232, 1364, 1408, 1562, 1736, 1984, 1988, 2201, 2272, 2387, 2464, 2728, 3124, 3472, 3968, 3976, 4402, 4544, 4774, 4928, 5456, 5467, 6248, 6944, 7952, 8804, 9088, 9548, 9856, 10912, 10934, 12496, 13888, 15407, 15904, 17608, 19096, 21824, 21868, 24211, 24992, 27776, 30814, 31808, 35216, 38192, 43648, 43736, 48422, 49984, 61628, 63616, 70432, 76384, 87472, 96844, 99968, 123256, 140864, 152768, 169477, 174944, 193688, 246512, 281728, 305536, 338954, 349888, 387376, 493024, 677908, 699776, 774752, 986048, 1355816, 1549504, 1972096, 2711632, 3099008, 5423264, 10846528, 21693056]

約数ペア:

[(1, 21693056), (2, 10846528), (4, 5423264), (7, 3099008), (8, 2711632), (11, 1972096), (14, 1549504), (16, 1355816), (22, 986048), (28, 774752), (31, 699776), (32, 677908), (44, 493024), (56, 387376), (62, 349888), (64, 338954), (71, 305536), (77, 281728), (88, 246512), (112, 193688), (124, 174944), (128, 169477), (142, 152768), (154, 140864), (176, 123256), (217, 99968), (224, 96844), (248, 87472), (284, 76384), (308, 70432), (341, 63616), (352, 61628), (434, 49984), (448, 48422), (496, 43736), (497, 43648), (568, 38192), (616, 35216), (682, 31808), (704, 30814), (781, 27776), (868, 24992), (896, 24211), (992, 21868), (994, 21824), (1136, 19096), (1232, 17608), (1364, 15904), (1408, 15407), (1562, 13888), (1736, 12496), (1984, 10934), (1988, 10912), (2201, 9856), (2272, 9548), (2387, 9088), (2464, 8804), (2728, 7952), (3124, 6944), (3472, 6248), (3968, 5467), (3976, 5456), (4402, 4928), (4544, 4774)]