21540484

素因数分解:

$2^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3389}}^1$

素因数の和:3627

約数の個数: 24

約数和(自身を含む): 43283520

約数和(自身を除く): 21743036

約数列:

[1, 2, 4, 7, 14, 28, 227, 454, 908, 1589, 3178, 3389, 6356, 6778, 13556, 23723, 47446, 94892, 769303, 1538606, 3077212, 5385121, 10770242, 21540484]

約数ペア:

[(1, 21540484), (2, 10770242), (4, 5385121), (7, 3077212), (14, 1538606), (28, 769303), (227, 94892), (454, 47446), (908, 23723), (1589, 13556), (3178, 6778), (3389, 6356)]