21040044

素因数分解:

$2^2\times 3^1\times {\mathrm{1129}}^1\times {\mathrm{1553}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 49168560

約数和(自身を除く): 28128516

約数列:

[1, 2, 3, 4, 6, 12, 1129, 1553, 2258, 3106, 3387, 4516, 4659, 6212, 6774, 9318, 13548, 18636, 1753337, 3506674, 5260011, 7013348, 10520022, 21040044]

約数ペア:

[(1, 21040044), (2, 10520022), (3, 7013348), (4, 5260011), (6, 3506674), (12, 1753337), (1129, 18636), (1553, 13548), (2258, 9318), (3106, 6774), (3387, 6212), (4516, 4659)]