21556306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1597}}^1$

素因数の和:2013

約数の個数: 16

約数和(自身を含む): 34344216

約数和(自身を除く): 12787910

約数列:

[1, 2, 17, 34, 397, 794, 1597, 3194, 6749, 13498, 27149, 54298, 634009, 1268018, 10778153, 21556306]

約数ペア:

[(1, 21556306), (2, 10778153), (17, 1268018), (34, 634009), (397, 54298), (794, 27149), (1597, 13498), (3194, 6749)]