21240230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193093}}^1$

素因数の和:193111

約数の個数: 16

約数和(自身を含む): 41708304

約数和(自身を除く): 20468074

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193093, 386186, 965465, 1930930, 2124023, 4248046, 10620115, 21240230]

約数ペア:

[(1, 21240230), (2, 10620115), (5, 4248046), (10, 2124023), (11, 1930930), (22, 965465), (55, 386186), (110, 193093)]