21004404

素因数分解:

$2^2\times 3^1\times {\mathrm{563}}^1\times {\mathrm{3109}}^1$

素因数の和:3679

約数の個数: 24

約数和(自身を含む): 49113120

約数和(自身を除く): 28108716

約数列:

[1, 2, 3, 4, 6, 12, 563, 1126, 1689, 2252, 3109, 3378, 6218, 6756, 9327, 12436, 18654, 37308, 1750367, 3500734, 5251101, 7001468, 10502202, 21004404]

約数ペア:

[(1, 21004404), (2, 10502202), (3, 7001468), (4, 5251101), (6, 3500734), (12, 1750367), (563, 37308), (1126, 18654), (1689, 12436), (2252, 9327), (3109, 6756), (3378, 6218)]