21919686

素因数分解:

$2^1\times 3^1\times {\mathrm{281}}^1\times {\mathrm{13001}}^1$

素因数の和:13287

約数の個数: 16

約数和(自身を含む): 43998768

約数和(自身を除く): 22079082

約数列:

[1, 2, 3, 6, 281, 562, 843, 1686, 13001, 26002, 39003, 78006, 3653281, 7306562, 10959843, 21919686]

約数ペア:

[(1, 21919686), (2, 10959843), (3, 7306562), (6, 3653281), (281, 78006), (562, 39003), (843, 26002), (1686, 13001)]