8671817721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21733879}}^1$

素因数の和:21733908

約数の個数: 16

約数和(自身を含む): 13909683200

約数和(自身を除く): 5237865479

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 21733879, 65201637, 152137153, 412943701, 456411459, 1238831103, 2890605907, 8671817721]

約数ペア:

[(1, 8671817721), (3, 2890605907), (7, 1238831103), (19, 456411459), (21, 412943701), (57, 152137153), (133, 65201637), (399, 21733879)]