21209224

素因数分解:

$2^3\times {\mathrm{571}}^1\times {\mathrm{4643}}^1$

素因数の和:5220

約数の個数: 16

約数和(自身を含む): 39845520

約数和(自身を除く): 18636296

約数列:

[1, 2, 4, 8, 571, 1142, 2284, 4568, 4643, 9286, 18572, 37144, 2651153, 5302306, 10604612, 21209224]

約数ペア:

[(1, 21209224), (2, 10604612), (4, 5302306), (8, 2651153), (571, 37144), (1142, 18572), (2284, 9286), (4568, 4643)]