21559893

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5791}}^1$

素因数の和:5884

約数の個数: 16

約数和(自身を含む): 30859776

約数和(自身を除く): 9299883

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5791, 17373, 98447, 295341, 422743, 1268229, 7186631, 21559893]

約数ペア:

[(1, 21559893), (3, 7186631), (17, 1268229), (51, 422743), (73, 295341), (219, 98447), (1241, 17373), (3723, 5791)]