21536810

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45823}}^1$

素因数の和:45877

約数の個数: 16

約数和(自身を含む): 39591936

約数和(自身を除く): 18055126

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45823, 91646, 229115, 458230, 2153681, 4307362, 10768405, 21536810]

約数ペア:

[(1, 21536810), (2, 10768405), (5, 4307362), (10, 2153681), (47, 458230), (94, 229115), (235, 91646), (470, 45823)]