21073743

素因数分解:

$3^3\times {\mathrm{257}}^1\times {\mathrm{3037}}^1$

素因数の和:3303

約数の個数: 16

約数和(自身を含む): 31352160

約数和(自身を除く): 10278417

約数列:

[1, 3, 9, 27, 257, 771, 2313, 3037, 6939, 9111, 27333, 81999, 780509, 2341527, 7024581, 21073743]

約数ペア:

[(1, 21073743), (3, 7024581), (9, 2341527), (27, 780509), (257, 81999), (771, 27333), (2313, 9111), (3037, 6939)]