21468608

素因数分解:

$2^6\times 7^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:469

約数の個数: 56

約数和(自身を含む): 49145952

約数和(自身を除く): 27677344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 173, 224, 277, 346, 448, 554, 692, 1108, 1211, 1384, 1939, 2216, 2422, 2768, 3878, 4432, 4844, 5536, 7756, 8864, 9688, 11072, 15512, 17728, 19376, 31024, 38752, 47921, 62048, 77504, 95842, 124096, 191684, 335447, 383368, 670894, 766736, 1341788, 1533472, 2683576, 3066944, 5367152, 10734304, 21468608]

約数ペア:

[(1, 21468608), (2, 10734304), (4, 5367152), (7, 3066944), (8, 2683576), (14, 1533472), (16, 1341788), (28, 766736), (32, 670894), (56, 383368), (64, 335447), (112, 191684), (173, 124096), (224, 95842), (277, 77504), (346, 62048), (448, 47921), (554, 38752), (692, 31024), (1108, 19376), (1211, 17728), (1384, 15512), (1939, 11072), (2216, 9688), (2422, 8864), (2768, 7756), (3878, 5536), (4432, 4844)]