21883173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13049}}^1$

素因数の和:13108

約数の個数: 16

約数和(自身を含む): 32155200

約数和(自身を除く): 10272027

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 13049, 39147, 169637, 508911, 561107, 1683321, 7294391, 21883173]

約数ペア:

[(1, 21883173), (3, 7294391), (13, 1683321), (39, 561107), (43, 508911), (129, 169637), (559, 39147), (1677, 13049)]