21351022

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7297}}^1$

素因数の和:7336

約数の個数: 32

約数和(自身を含む): 42036480

約数和(自身を除く): 20685458

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 7297, 14594, 51079, 80267, 102158, 138643, 160534, 277286, 561869, 970501, 1123738, 1525073, 1941002, 3050146, 10675511, 21351022]

約数ペア:

[(1, 21351022), (2, 10675511), (7, 3050146), (11, 1941002), (14, 1525073), (19, 1123738), (22, 970501), (38, 561869), (77, 277286), (133, 160534), (154, 138643), (209, 102158), (266, 80267), (418, 51079), (1463, 14594), (2926, 7297)]