21156574

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{4373}}^1$

素因数の和:4475

約数の個数: 16

約数和(自身を含む): 33067440

約数和(自身を除く): 11910866

約数列:

[1, 2, 41, 59, 82, 118, 2419, 4373, 4838, 8746, 179293, 258007, 358586, 516014, 10578287, 21156574]

約数ペア:

[(1, 21156574), (2, 10578287), (41, 516014), (59, 358586), (82, 258007), (118, 179293), (2419, 8746), (4373, 4838)]