21702968

素因数分解:

$2^3\times 7^1\times {\mathrm{599}}^1\times {\mathrm{647}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 24953032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 599, 647, 1198, 1294, 2396, 2588, 4193, 4529, 4792, 5176, 8386, 9058, 16772, 18116, 33544, 36232, 387553, 775106, 1550212, 2712871, 3100424, 5425742, 10851484, 21702968]

約数ペア:

[(1, 21702968), (2, 10851484), (4, 5425742), (7, 3100424), (8, 2712871), (14, 1550212), (28, 775106), (56, 387553), (599, 36232), (647, 33544), (1198, 18116), (1294, 16772), (2396, 9058), (2588, 8386), (4193, 5176), (4529, 4792)]