21564322

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15649}}^1$

素因数の和:15717

約数の個数: 16

約数和(自身を含む): 35494200

約数和(自身を除く): 13929878

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15649, 31298, 203437, 406874, 829397, 1658794, 10782161, 21564322]

約数ペア:

[(1, 21564322), (2, 10782161), (13, 1658794), (26, 829397), (53, 406874), (106, 203437), (689, 31298), (1378, 15649)]