21276584

素因数分解:

$2^3\times 7^2\times {\mathrm{54277}}^1$

素因数の和:54297

約数の個数: 24

約数和(自身を含む): 46407690

約数和(自身を除く): 25131106

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54277, 108554, 217108, 379939, 434216, 759878, 1519756, 2659573, 3039512, 5319146, 10638292, 21276584]

約数ペア:

[(1, 21276584), (2, 10638292), (4, 5319146), (7, 3039512), (8, 2659573), (14, 1519756), (28, 759878), (49, 434216), (56, 379939), (98, 217108), (196, 108554), (392, 54277)]