21711170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167009}}^1$

素因数の和:167029

約数の個数: 16

約数和(自身を含む): 42086520

約数和(自身を除く): 20375350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167009, 334018, 835045, 1670090, 2171117, 4342234, 10855585, 21711170]

約数ペア:

[(1, 21711170), (2, 10855585), (5, 4342234), (10, 2171117), (13, 1670090), (26, 835045), (65, 334018), (130, 167009)]