21879242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4583}}^1$

素因数の和:4634

約数の個数: 32

約数和(自身を含む): 42246144

約数和(自身を除く): 20366902

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4583, 4774, 9166, 32081, 50413, 64162, 100826, 142073, 284146, 352891, 705782, 994511, 1562803, 1989022, 3125606, 10939621, 21879242]

約数ペア:

[(1, 21879242), (2, 10939621), (7, 3125606), (11, 1989022), (14, 1562803), (22, 994511), (31, 705782), (62, 352891), (77, 284146), (154, 142073), (217, 100826), (341, 64162), (434, 50413), (682, 32081), (2387, 9166), (4583, 4774)]