21062104

素因数分解:

$2^3\times 7^1\times {\mathrm{569}}^1\times {\mathrm{661}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 45280800

約数和(自身を除く): 24218696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 569, 661, 1138, 1322, 2276, 2644, 3983, 4552, 4627, 5288, 7966, 9254, 15932, 18508, 31864, 37016, 376109, 752218, 1504436, 2632763, 3008872, 5265526, 10531052, 21062104]

約数ペア:

[(1, 21062104), (2, 10531052), (4, 5265526), (7, 3008872), (8, 2632763), (14, 1504436), (28, 752218), (56, 376109), (569, 37016), (661, 31864), (1138, 18508), (1322, 15932), (2276, 9254), (2644, 7966), (3983, 5288), (4552, 4627)]