21000309544

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{1087}}^1\times {\mathrm{5501}}^1$

素因数の和:7033

約数の個数: 32

約数和(自身を含む): 39508761600

約数和(自身を除く): 18508452056

約数列:

[1, 2, 4, 8, 439, 878, 1087, 1756, 2174, 3512, 4348, 5501, 8696, 11002, 22004, 44008, 477193, 954386, 1908772, 2414939, 3817544, 4829878, 5979587, 9659756, 11959174, 19319512, 23918348, 47836696, 2625038693, 5250077386, 10500154772, 21000309544]

約数ペア:

[(1, 21000309544), (2, 10500154772), (4, 5250077386), (8, 2625038693), (439, 47836696), (878, 23918348), (1087, 19319512), (1756, 11959174), (2174, 9659756), (3512, 5979587), (4348, 4829878), (5501, 3817544), (8696, 2414939), (11002, 1908772), (22004, 954386), (44008, 477193)]