21182349

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 28851200

約数和(自身を除く): 7668851

約数列:

[1, 3, 79, 139, 237, 417, 643, 1929, 10981, 32943, 50797, 89377, 152391, 268131, 7060783, 21182349]

約数ペア:

[(1, 21182349), (3, 7060783), (79, 268131), (139, 152391), (237, 89377), (417, 50797), (643, 32943), (1929, 10981)]