21148072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240319}}^1$

素因数の和:240336

約数の個数: 16

約数和(自身を含む): 43257600

約数和(自身を除く): 22109528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240319, 480638, 961276, 1922552, 2643509, 5287018, 10574036, 21148072]

約数ペア:

[(1, 21148072), (2, 10574036), (4, 5287018), (8, 2643509), (11, 1922552), (22, 961276), (44, 480638), (88, 240319)]