21728856

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2803}}^1$

素因数の和:2848

約数の個数: 64

約数和(自身を含む): 60566400

約数和(自身を除く): 38837544

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 323, 408, 456, 646, 969, 1292, 1938, 2584, 2803, 3876, 5606, 7752, 8409, 11212, 16818, 22424, 33636, 47651, 53257, 67272, 95302, 106514, 142953, 159771, 190604, 213028, 285906, 319542, 381208, 426056, 571812, 639084, 905369, 1143624, 1278168, 1810738, 2716107, 3621476, 5432214, 7242952, 10864428, 21728856]

約数ペア:

[(1, 21728856), (2, 10864428), (3, 7242952), (4, 5432214), (6, 3621476), (8, 2716107), (12, 1810738), (17, 1278168), (19, 1143624), (24, 905369), (34, 639084), (38, 571812), (51, 426056), (57, 381208), (68, 319542), (76, 285906), (102, 213028), (114, 190604), (136, 159771), (152, 142953), (204, 106514), (228, 95302), (323, 67272), (408, 53257), (456, 47651), (646, 33636), (969, 22424), (1292, 16818), (1938, 11212), (2584, 8409), (2803, 7752), (3876, 5606)]