21048472

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{20717}}^1$

素因数の和:20850

約数の個数: 16

約数和(自身を含む): 39778560

約数和(自身を除く): 18730088

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 20717, 41434, 82868, 165736, 2631059, 5262118, 10524236, 21048472]

約数ペア:

[(1, 21048472), (2, 10524236), (4, 5262118), (8, 2631059), (127, 165736), (254, 82868), (508, 41434), (1016, 20717)]