21964657

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 3981263

約数列:

[1, 11, 13, 143, 269, 571, 2959, 3497, 6281, 7423, 38467, 81653, 153599, 1689589, 1996787, 21964657]

約数ペア:

[(1, 21964657), (11, 1996787), (13, 1689589), (143, 153599), (269, 81653), (571, 38467), (2959, 7423), (3497, 6281)]