21112484

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{937}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 38135328

約数和(自身を除く): 17022844

約数列:

[1, 2, 4, 43, 86, 131, 172, 262, 524, 937, 1874, 3748, 5633, 11266, 22532, 40291, 80582, 122747, 161164, 245494, 490988, 5278121, 10556242, 21112484]

約数ペア:

[(1, 21112484), (2, 10556242), (4, 5278121), (43, 490988), (86, 245494), (131, 161164), (172, 122747), (262, 80582), (524, 40291), (937, 22532), (1874, 11266), (3748, 5633)]