21996273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4441}}^1$

素因数の和:4584

約数の個数: 16

約数和(自身を含む): 31840256

約数和(自身を除く): 9843983

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4441, 4953, 13323, 57733, 173199, 564007, 1692021, 7332091, 21996273]

約数ペア:

[(1, 21996273), (3, 7332091), (13, 1692021), (39, 564007), (127, 173199), (381, 57733), (1651, 13323), (4441, 4953)]