21909723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12527}}^1$

素因数の和:12594

約数の個数: 16

約数和(自身を含む): 32472576

約数和(自身を除く): 10562853

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12527, 37581, 137797, 413391, 663931, 1991793, 7303241, 21909723]

約数ペア:

[(1, 21909723), (3, 7303241), (11, 1991793), (33, 663931), (53, 413391), (159, 137797), (583, 37581), (1749, 12527)]