21722217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1571}}^1$

素因数の和:2004

約数の個数: 16

約数和(自身を含む): 31691520

約数和(自身を除く): 9969303

約数列:

[1, 3, 11, 33, 419, 1257, 1571, 4609, 4713, 13827, 17281, 51843, 658249, 1974747, 7240739, 21722217]

約数ペア:

[(1, 21722217), (3, 7240739), (11, 1974747), (33, 658249), (419, 51843), (1257, 17281), (1571, 13827), (4609, 4713)]