21000844810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190916771}}^1$

素因数の和:190916789

約数の個数: 16

約数和(自身を含む): 41238022752

約数和(自身を除く): 20237177942

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190916771, 381833542, 954583855, 1909167710, 2100084481, 4200168962, 10500422405, 21000844810]

約数ペア:

[(1, 21000844810), (2, 10500422405), (5, 4200168962), (10, 2100084481), (11, 1909167710), (22, 954583855), (55, 381833542), (110, 190916771)]