21170996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68737}}^1$

素因数の和:68759

約数の個数: 24

約数和(自身を含む): 46191936

約数和(自身を除く): 25020940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68737, 137474, 274948, 481159, 756107, 962318, 1512214, 1924636, 3024428, 5292749, 10585498, 21170996]

約数ペア:

[(1, 21170996), (2, 10585498), (4, 5292749), (7, 3024428), (11, 1924636), (14, 1512214), (22, 962318), (28, 756107), (44, 481159), (77, 274948), (154, 137474), (308, 68737)]