21000816722

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{256107521}}^1$

素因数の和:256107564

約数の個数: 8

約数和(自身を含む): 32269547772

約数和(自身を除く): 11268731050

約数列:

[1, 2, 41, 82, 256107521, 512215042, 10500408361, 21000816722]

約数ペア:

[(1, 21000816722), (2, 10500408361), (41, 512215042), (82, 256107521)]