21056754

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49429}}^1$

素因数の和:49505

約数の個数: 16

約数和(自身を含む): 42707520

約数和(自身を除く): 21650766

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49429, 98858, 148287, 296574, 3509459, 7018918, 10528377, 21056754]

約数ペア:

[(1, 21056754), (2, 10528377), (3, 7018918), (6, 3509459), (71, 296574), (142, 148287), (213, 98858), (426, 49429)]