21326977

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3456

約数の個数: 16

約数和(自身を含む): 26035200

約数和(自身を除く): 4708223

約数列:

[1, 7, 29, 31, 203, 217, 899, 3389, 6293, 23723, 98281, 105059, 687967, 735413, 3046711, 21326977]

約数ペア:

[(1, 21326977), (7, 3046711), (29, 735413), (31, 687967), (203, 105059), (217, 98281), (899, 23723), (3389, 6293)]