21106911

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59123}}^1$

素因数の和:59150

約数の個数: 16

約数和(自身を含む): 34055424

約数和(自身を除く): 12948513

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59123, 177369, 413861, 1005091, 1241583, 3015273, 7035637, 21106911]

約数ペア:

[(1, 21106911), (3, 7035637), (7, 3015273), (17, 1241583), (21, 1005091), (51, 413861), (119, 177369), (357, 59123)]