21047456

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{5179}}^1$

素因数の和:5316

約数の個数: 24

約数和(自身を含む): 41771520

約数和(自身を除く): 20724064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 5179, 10358, 20716, 41432, 82864, 165728, 657733, 1315466, 2630932, 5261864, 10523728, 21047456]

約数ペア:

[(1, 21047456), (2, 10523728), (4, 5261864), (8, 2630932), (16, 1315466), (32, 657733), (127, 165728), (254, 82864), (508, 41432), (1016, 20716), (2032, 10358), (4064, 5179)]