21038838

素因数分解:

$2^1\times 3^1\times {\mathrm{499}}^1\times {\mathrm{7027}}^1$

素因数の和:7531

約数の個数: 16

約数和(自身を含む): 42168000

約数和(自身を除く): 21129162

約数列:

[1, 2, 3, 6, 499, 998, 1497, 2994, 7027, 14054, 21081, 42162, 3506473, 7012946, 10519419, 21038838]

約数ペア:

[(1, 21038838), (2, 10519419), (3, 7012946), (6, 3506473), (499, 42162), (998, 21081), (1497, 14054), (2994, 7027)]