21764896

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40009}}^1$

素因数の和:40036

約数の個数: 24

約数和(自身を含む): 45371340

約数和(自身を除く): 23606444

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40009, 80018, 160036, 320072, 640144, 680153, 1280288, 1360306, 2720612, 5441224, 10882448, 21764896]

約数ペア:

[(1, 21764896), (2, 10882448), (4, 5441224), (8, 2720612), (16, 1360306), (17, 1280288), (32, 680153), (34, 640144), (68, 320072), (136, 160036), (272, 80018), (544, 40009)]