21000362874

素因数分解:

$2^1\times 3^1\times {\mathrm{4493}}^1\times {\mathrm{779003}}^1$

素因数の和:783501

約数の個数: 16

約数和(自身を含む): 42010127712

約数和(自身を除く): 21009764838

約数列:

[1, 2, 3, 6, 4493, 8986, 13479, 26958, 779003, 1558006, 2337009, 4674018, 3500060479, 7000120958, 10500181437, 21000362874]

約数ペア:

[(1, 21000362874), (2, 10500181437), (3, 7000120958), (6, 3500060479), (4493, 4674018), (8986, 2337009), (13479, 1558006), (26958, 779003)]