21068894

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136811}}^1$

素因数の和:136831

約数の個数: 16

約数和(自身を含む): 39401856

約数和(自身を除く): 18332962

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136811, 273622, 957677, 1504921, 1915354, 3009842, 10534447, 21068894]

約数ペア:

[(1, 21068894), (2, 10534447), (7, 3009842), (11, 1915354), (14, 1504921), (22, 957677), (77, 273622), (154, 136811)]