21619168

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7591}}^1$

素因数の和:7690

約数の個数: 24

約数和(自身を含む): 43046640

約数和(自身を除く): 21427472

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7591, 15182, 30364, 60728, 121456, 242912, 675599, 1351198, 2702396, 5404792, 10809584, 21619168]

約数ペア:

[(1, 21619168), (2, 10809584), (4, 5404792), (8, 2702396), (16, 1351198), (32, 675599), (89, 242912), (178, 121456), (356, 60728), (712, 30364), (1424, 15182), (2848, 7591)]