21405152

素因数分解:

$2^5\times {\mathrm{461}}^1\times {\mathrm{1451}}^1$

素因数の和:1922

約数の個数: 24

約数和(自身を含む): 42261912

約数和(自身を除く): 20856760

約数列:

[1, 2, 4, 8, 16, 32, 461, 922, 1451, 1844, 2902, 3688, 5804, 7376, 11608, 14752, 23216, 46432, 668911, 1337822, 2675644, 5351288, 10702576, 21405152]

約数ペア:

[(1, 21405152), (2, 10702576), (4, 5351288), (8, 2675644), (16, 1337822), (32, 668911), (461, 46432), (922, 23216), (1451, 14752), (1844, 11608), (2902, 7376), (3688, 5804)]