21080590983

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{1543}}^1\times {\mathrm{4729}}^1$

素因数の和:6388

約数の個数: 32

約数和(自身を含む): 31549478400

約数和(自身を除く): 10468887417

約数列:

[1, 3, 9, 27, 107, 321, 963, 1543, 2889, 4629, 4729, 13887, 14187, 41661, 42561, 127683, 165101, 495303, 506003, 1485909, 1518009, 4457727, 4554027, 7296847, 13662081, 21890541, 65671623, 197014869, 780762629, 2342287887, 7026863661, 21080590983]

約数ペア:

[(1, 21080590983), (3, 7026863661), (9, 2342287887), (27, 780762629), (107, 197014869), (321, 65671623), (963, 21890541), (1543, 13662081), (2889, 7296847), (4629, 4554027), (4729, 4457727), (13887, 1518009), (14187, 1485909), (41661, 506003), (42561, 495303), (127683, 165101)]