21543907

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5953}}^1$

素因数の和:6018

約数の個数: 16

約数和(自身を含む): 27436032

約数和(自身を除く): 5892125

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5953, 41671, 65483, 279791, 458381, 1958537, 3077701, 21543907]

約数ペア:

[(1, 21543907), (7, 3077701), (11, 1958537), (47, 458381), (77, 279791), (329, 65483), (517, 41671), (3619, 5953)]