21548217

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2459}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 30228480

約数和(自身を除く): 8680263

約数列:

[1, 3, 23, 69, 127, 381, 2459, 2921, 7377, 8763, 56557, 169671, 312293, 936879, 7182739, 21548217]

約数ペア:

[(1, 21548217), (3, 7182739), (23, 936879), (69, 312293), (127, 169671), (381, 56557), (2459, 8763), (2921, 7377)]