21043874

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1321

約数の個数: 16

約数和(自身を含む): 32420736

約数和(自身を除く): 11376862

約数列:

[1, 2, 47, 94, 211, 422, 1061, 2122, 9917, 19834, 49867, 99734, 223871, 447742, 10521937, 21043874]

約数ペア:

[(1, 21043874), (2, 10521937), (47, 447742), (94, 223871), (211, 99734), (422, 49867), (1061, 19834), (2122, 9917)]