21698368

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{1721}}^1$

素因数の和:1930

約数の個数: 28

約数和(自身を含む): 43301412

約数和(自身を除く): 21603044

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 1576, 1721, 3152, 3442, 6304, 6884, 12608, 13768, 27536, 55072, 110144, 339037, 678074, 1356148, 2712296, 5424592, 10849184, 21698368]

約数ペア:

[(1, 21698368), (2, 10849184), (4, 5424592), (8, 2712296), (16, 1356148), (32, 678074), (64, 339037), (197, 110144), (394, 55072), (788, 27536), (1576, 13768), (1721, 12608), (3152, 6884), (3442, 6304)]