21187066

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3823}}^1$

素因数の和:4005

約数の個数: 16

約数和(自身を含む): 33865344

約数和(自身を除く): 12678278

約数列:

[1, 2, 17, 34, 163, 326, 2771, 3823, 5542, 7646, 64991, 129982, 623149, 1246298, 10593533, 21187066]

約数ペア:

[(1, 21187066), (2, 10593533), (17, 1246298), (34, 623149), (163, 129982), (326, 64991), (2771, 7646), (3823, 5542)]