21377216

素因数分解:

$2^6\times 7^1\times {\mathrm{47717}}^1$

素因数の和:47736

約数の個数: 28

約数和(自身を含む): 48481488

約数和(自身を除く): 27104272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47717, 95434, 190868, 334019, 381736, 668038, 763472, 1336076, 1526944, 2672152, 3053888, 5344304, 10688608, 21377216]

約数ペア:

[(1, 21377216), (2, 10688608), (4, 5344304), (7, 3053888), (8, 2672152), (14, 1526944), (16, 1336076), (28, 763472), (32, 668038), (56, 381736), (64, 334019), (112, 190868), (224, 95434), (448, 47717)]