21118836

素因数分解:

$2^2\times 3^1\times {\mathrm{281}}^1\times {\mathrm{6263}}^1$

素因数の和:6551

約数の個数: 24

約数和(自身を含む): 49460544

約数和(自身を除く): 28341708

約数列:

[1, 2, 3, 4, 6, 12, 281, 562, 843, 1124, 1686, 3372, 6263, 12526, 18789, 25052, 37578, 75156, 1759903, 3519806, 5279709, 7039612, 10559418, 21118836]

約数ペア:

[(1, 21118836), (2, 10559418), (3, 7039612), (4, 5279709), (6, 3519806), (12, 1759903), (281, 75156), (562, 37578), (843, 25052), (1124, 18789), (1686, 12526), (3372, 6263)]