21297018

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49993}}^1$

素因数の和:50069

約数の個数: 16

約数和(自身を含む): 43194816

約数和(自身を除く): 21897798

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49993, 99986, 149979, 299958, 3549503, 7099006, 10648509, 21297018]

約数ペア:

[(1, 21297018), (2, 10648509), (3, 7099006), (6, 3549503), (71, 299958), (142, 149979), (213, 99986), (426, 49993)]