21654369

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4127}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 34774272

約数和(自身を除く): 13119903

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 4127, 5247, 12381, 37143, 45397, 136191, 218731, 408573, 656193, 1968579, 2406041, 7218123, 21654369]

約数ペア:

[(1, 21654369), (3, 7218123), (9, 2406041), (11, 1968579), (33, 656193), (53, 408573), (99, 218731), (159, 136191), (477, 45397), (583, 37143), (1749, 12381), (4127, 5247)]