8347479

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20921}}^1$

素因数の和:20950

約数の個数: 16

約数和(自身を含む): 13390080

約数和(自身を除く): 5042601

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 20921, 62763, 146447, 397499, 439341, 1192497, 2782493, 8347479]

約数ペア:

[(1, 8347479), (3, 2782493), (7, 1192497), (19, 439341), (21, 397499), (57, 146447), (133, 62763), (399, 20921)]