16921647

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5821}}^1$

素因数の和:5863

約数の個数: 24

約数和(自身を含む): 27246960

約数和(自身を除く): 10325313

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 5821, 17463, 52389, 98957, 110599, 296871, 331797, 890613, 995391, 1880183, 5640549, 16921647]

約数ペア:

[(1, 16921647), (3, 5640549), (9, 1880183), (17, 995391), (19, 890613), (51, 331797), (57, 296871), (153, 110599), (171, 98957), (323, 52389), (969, 17463), (2907, 5821)]