21178142291

素因数分解:

${\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1\times {\mathrm{6653}}^1$

素因数の和:7286

約数の個数: 16

約数和(自身を含む): 21846945120

約数和(自身を除く): 668802829

約数列:

[1, 43, 181, 409, 6653, 7783, 17587, 74029, 286079, 1204193, 2721077, 3183247, 51780299, 117006311, 492514937, 21178142291]

約数ペア:

[(1, 21178142291), (43, 492514937), (181, 117006311), (409, 51780299), (6653, 3183247), (7783, 2721077), (17587, 1204193), (74029, 286079)]