21370006

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21499}}^1$

素因数の和:21579

約数の個数: 16

約数和(自身を含む): 37152000

約数和(自身を除く): 15781994

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21499, 42998, 150493, 300986, 1526429, 3052858, 10685003, 21370006]

約数ペア:

[(1, 21370006), (2, 10685003), (7, 3052858), (14, 1526429), (71, 300986), (142, 150493), (497, 42998), (994, 21499)]