21763784

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9479}}^1$

素因数の和:9533

約数の個数: 32

約数和(自身を含む): 47779200

約数和(自身を除く): 26015416

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9479, 18958, 37916, 66353, 75832, 132706, 265412, 388639, 530824, 777278, 1554556, 2720473, 3109112, 5440946, 10881892, 21763784]

約数ペア:

[(1, 21763784), (2, 10881892), (4, 5440946), (7, 3109112), (8, 2720473), (14, 1554556), (28, 777278), (41, 530824), (56, 388639), (82, 265412), (164, 132706), (287, 75832), (328, 66353), (574, 37916), (1148, 18958), (2296, 9479)]