21044786

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40627}}^1$

素因数の和:40673

約数の個数: 16

約数和(自身を含む): 37052736

約数和(自身を除く): 16007950

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40627, 81254, 284389, 568778, 1503199, 3006398, 10522393, 21044786]

約数ペア:

[(1, 21044786), (2, 10522393), (7, 3006398), (14, 1503199), (37, 568778), (74, 284389), (259, 81254), (518, 40627)]