21296230

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10093}}^1$

素因数の和:10311

約数の個数: 16

約数和(自身を含む): 38518704

約数和(自身を除く): 17222474

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 10093, 20186, 50465, 100930, 2129623, 4259246, 10648115, 21296230]

約数ペア:

[(1, 21296230), (2, 10648115), (5, 4259246), (10, 2129623), (211, 100930), (422, 50465), (1055, 20186), (2110, 10093)]