21959212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26267}}^1$

素因数の和:26301

約数の個数: 24

約数和(自身を含む): 44130240

約数和(自身を除く): 22171028

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 26267, 52534, 105068, 288937, 499073, 577874, 998146, 1155748, 1996292, 5489803, 10979606, 21959212]

約数ペア:

[(1, 21959212), (2, 10979606), (4, 5489803), (11, 1996292), (19, 1155748), (22, 998146), (38, 577874), (44, 499073), (76, 288937), (209, 105068), (418, 52534), (836, 26267)]