21356118

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{169493}}^1$

素因数の和:169508

約数の個数: 24

約数和(自身を含む): 52882128

約数和(自身を除く): 31526010

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 169493, 338986, 508479, 1016958, 1186451, 1525437, 2372902, 3050874, 3559353, 7118706, 10678059, 21356118]

約数ペア:

[(1, 21356118), (2, 10678059), (3, 7118706), (6, 3559353), (7, 3050874), (9, 2372902), (14, 1525437), (18, 1186451), (21, 1016958), (42, 508479), (63, 338986), (126, 169493)]