21009966

素因数分解:

$2^1\times 3^1\times {\mathrm{1153}}^1\times {\mathrm{3037}}^1$

素因数の和:4195

約数の個数: 16

約数和(自身を含む): 42070224

約数和(自身を除く): 21060258

約数列:

[1, 2, 3, 6, 1153, 2306, 3037, 3459, 6074, 6918, 9111, 18222, 3501661, 7003322, 10504983, 21009966]

約数ペア:

[(1, 21009966), (2, 10504983), (3, 7003322), (6, 3501661), (1153, 18222), (2306, 9111), (3037, 6918), (3459, 6074)]