21523782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{797}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 49335552

約数和(自身を除く): 27811770

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 797, 1286, 1594, 1929, 2391, 3858, 4501, 4782, 5579, 9002, 11158, 13503, 16737, 27006, 33474, 512471, 1024942, 1537413, 3074826, 3587297, 7174594, 10761891, 21523782]

約数ペア:

[(1, 21523782), (2, 10761891), (3, 7174594), (6, 3587297), (7, 3074826), (14, 1537413), (21, 1024942), (42, 512471), (643, 33474), (797, 27006), (1286, 16737), (1594, 13503), (1929, 11158), (2391, 9002), (3858, 5579), (4501, 4782)]