21245752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{241429}}^1$

素因数の和:241446

約数の個数: 16

約数和(自身を含む): 43457400

約数和(自身を除く): 22211648

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 241429, 482858, 965716, 1931432, 2655719, 5311438, 10622876, 21245752]

約数ペア:

[(1, 21245752), (2, 10622876), (4, 5311438), (8, 2655719), (11, 1931432), (22, 965716), (44, 482858), (88, 241429)]