21764216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{160031}}^1$

素因数の和:160054

約数の個数: 16

約数和(自身を含む): 43208640

約数和(自身を除く): 21444424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 160031, 320062, 640124, 1280248, 2720527, 5441054, 10882108, 21764216]

約数ペア:

[(1, 21764216), (2, 10882108), (4, 5441054), (8, 2720527), (17, 1280248), (34, 640124), (68, 320062), (136, 160031)]