21177687

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5791}}^1$

素因数の和:5870

約数の個数: 16

約数和(自身を含む): 30025728

約数和(自身を除く): 8848041

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5791, 17373, 133193, 306923, 399579, 920769, 7059229, 21177687]

約数ペア:

[(1, 21177687), (3, 7059229), (23, 920769), (53, 399579), (69, 306923), (159, 133193), (1219, 17373), (3657, 5791)]