21059654

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136751}}^1$

素因数の和:136771

約数の個数: 16

約数和(自身を含む): 39384576

約数和(自身を除く): 18324922

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136751, 273502, 957257, 1504261, 1914514, 3008522, 10529827, 21059654]

約数ペア:

[(1, 21059654), (2, 10529827), (7, 3008522), (11, 1914514), (14, 1504261), (22, 957257), (77, 273502), (154, 136751)]