21012545735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{434009}}^1$

素因数の和:434458

約数の個数: 16

約数和(自身を含む): 26373919680

約数和(自身を除く): 5361373945

約数列:

[1, 5, 23, 115, 421, 2105, 9683, 48415, 434009, 2170045, 9982207, 49911035, 182717789, 913588945, 4202509147, 21012545735]

約数ペア:

[(1, 21012545735), (5, 4202509147), (23, 913588945), (115, 182717789), (421, 49911035), (2105, 9982207), (9683, 2170045), (48415, 434009)]