21134084

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 37811928

約数和(自身を除く): 16677844

約数列:

[1, 2, 4, 73, 146, 157, 292, 314, 461, 628, 922, 1844, 11461, 22922, 33653, 45844, 67306, 72377, 134612, 144754, 289508, 5283521, 10567042, 21134084]

約数ペア:

[(1, 21134084), (2, 10567042), (4, 5283521), (73, 289508), (146, 144754), (157, 134612), (292, 72377), (314, 67306), (461, 45844), (628, 33653), (922, 22922), (1844, 11461)]