21988681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8093}}^1$

素因数の和:8136

約数の個数: 16

約数和(自身を含む): 27195840

約数和(自身を除く): 5207159

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 8093, 89023, 105209, 153767, 1157299, 1691437, 1998971, 21988681]

約数ペア:

[(1, 21988681), (11, 1998971), (13, 1691437), (19, 1157299), (143, 153767), (209, 105209), (247, 89023), (2717, 8093)]