21739211

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 24810240

約数和(自身を除く): 3071029

約数列:

[1, 13, 19, 247, 283, 311, 3679, 4043, 5377, 5909, 69901, 76817, 88013, 1144169, 1672247, 21739211]

約数ペア:

[(1, 21739211), (13, 1672247), (19, 1144169), (247, 88013), (283, 76817), (311, 69901), (3679, 5909), (4043, 5377)]