21059549

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4783}}^1$

素因数の和:4844

約数の個数: 16

約数和(自身を含む): 26178048

約数和(自身を除く): 5118499

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 4783, 33481, 81311, 176971, 569177, 1238797, 3008507, 21059549]

約数ペア:

[(1, 21059549), (7, 3008507), (17, 1238797), (37, 569177), (119, 176971), (259, 81311), (629, 33481), (4403, 4783)]