21314283

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1474

約数の個数: 16

約数和(自身を含む): 29331456

約数和(自身を除く): 8017173

約数列:

[1, 3, 43, 127, 129, 381, 1301, 3903, 5461, 16383, 55943, 165227, 167829, 495681, 7104761, 21314283]

約数ペア:

[(1, 21314283), (3, 7104761), (43, 495681), (127, 167829), (129, 165227), (381, 55943), (1301, 16383), (3903, 5461)]