21300738

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82561}}^1$

素因数の和:82609

約数の個数: 16

約数和(自身を含む): 43592736

約数和(自身を除く): 22291998

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82561, 165122, 247683, 495366, 3550123, 7100246, 10650369, 21300738]

約数ペア:

[(1, 21300738), (2, 10650369), (3, 7100246), (6, 3550123), (43, 495366), (86, 247683), (129, 165122), (258, 82561)]