21176570

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29009}}^1$

素因数の和:29089

約数の個数: 16

約数和(自身を含む): 38641320

約数和(自身を除く): 17464750

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29009, 58018, 145045, 290090, 2117657, 4235314, 10588285, 21176570]

約数ペア:

[(1, 21176570), (2, 10588285), (5, 4235314), (10, 2117657), (73, 290090), (146, 145045), (365, 58018), (730, 29009)]