21732088

素因数分解:

$2^3\times 7^2\times {\mathrm{55439}}^1$

素因数の和:55459

約数の個数: 24

約数和(自身を含む): 47401200

約数和(自身を除く): 25669112

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55439, 110878, 221756, 388073, 443512, 776146, 1552292, 2716511, 3104584, 5433022, 10866044, 21732088]

約数ペア:

[(1, 21732088), (2, 10866044), (4, 5433022), (7, 3104584), (8, 2716511), (14, 1552292), (28, 776146), (49, 443512), (56, 388073), (98, 221756), (196, 110878), (392, 55439)]