16921737

素因数分解:

$3^3\times 7^1\times {\mathrm{89533}}^1$

素因数の和:89549

約数の個数: 16

約数和(自身を含む): 28650880

約数和(自身を除く): 11729143

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 89533, 268599, 626731, 805797, 1880193, 2417391, 5640579, 16921737]

約数ペア:

[(1, 16921737), (3, 5640579), (7, 2417391), (9, 1880193), (21, 805797), (27, 626731), (63, 268599), (189, 89533)]