21481750367

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{2305651}}^1$

素因数の和:2305691

約数の個数: 16

約数和(自身を含む): 27003796224

約数和(自身を除く): 5522045857

約数列:

[1, 7, 11, 77, 121, 847, 1331, 9317, 2305651, 16139557, 25362161, 177535127, 278983771, 1952886397, 3068821481, 21481750367]

約数ペア:

[(1, 21481750367), (7, 3068821481), (11, 1952886397), (77, 278983771), (121, 177535127), (847, 25362161), (1331, 16139557), (9317, 2305651)]