21847072

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52517}}^1$

素因数の和:52540

約数の個数: 24

約数和(自身を含む): 46320876

約数和(自身を除く): 24473804

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52517, 105034, 210068, 420136, 682721, 840272, 1365442, 1680544, 2730884, 5461768, 10923536, 21847072]

約数ペア:

[(1, 21847072), (2, 10923536), (4, 5461768), (8, 2730884), (13, 1680544), (16, 1365442), (26, 840272), (32, 682721), (52, 420136), (104, 210068), (208, 105034), (416, 52517)]