21925010

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10391}}^1$

素因数の和:10609

約数の個数: 16

約数和(自身を含む): 39655872

約数和(自身を除く): 17730862

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 10391, 20782, 51955, 103910, 2192501, 4385002, 10962505, 21925010]

約数ペア:

[(1, 21925010), (2, 10962505), (5, 4385002), (10, 2192501), (211, 103910), (422, 51955), (1055, 20782), (2110, 10391)]