21697218

素因数分解:

$2^1\times 3^2\times {\mathrm{191}}^1\times {\mathrm{6311}}^1$

素因数の和:6510

約数の個数: 24

約数和(自身を含む): 47264256

約数和(自身を除く): 25567038

約数列:

[1, 2, 3, 6, 9, 18, 191, 382, 573, 1146, 1719, 3438, 6311, 12622, 18933, 37866, 56799, 113598, 1205401, 2410802, 3616203, 7232406, 10848609, 21697218]

約数ペア:

[(1, 21697218), (2, 10848609), (3, 7232406), (6, 3616203), (9, 2410802), (18, 1205401), (191, 113598), (382, 56799), (573, 37866), (1146, 18933), (1719, 12622), (3438, 6311)]