21700616

素因数分解:

$2^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{809}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 24955384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 479, 809, 958, 1618, 1916, 3236, 3353, 3832, 5663, 6472, 6706, 11326, 13412, 22652, 26824, 45304, 387511, 775022, 1550044, 2712577, 3100088, 5425154, 10850308, 21700616]

約数ペア:

[(1, 21700616), (2, 10850308), (4, 5425154), (7, 3100088), (8, 2712577), (14, 1550044), (28, 775022), (56, 387511), (479, 45304), (809, 26824), (958, 22652), (1618, 13412), (1916, 11326), (3236, 6706), (3353, 6472), (3832, 5663)]