21136258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 37521792

約数和(自身を除く): 16385534

約数列:

[1, 2, 11, 13, 22, 26, 143, 263, 281, 286, 526, 562, 2893, 3091, 3419, 3653, 5786, 6182, 6838, 7306, 37609, 40183, 73903, 75218, 80366, 147806, 812933, 960739, 1625866, 1921478, 10568129, 21136258]

約数ペア:

[(1, 21136258), (2, 10568129), (11, 1921478), (13, 1625866), (22, 960739), (26, 812933), (143, 147806), (263, 80366), (281, 75218), (286, 73903), (526, 40183), (562, 37609), (2893, 7306), (3091, 6838), (3419, 6182), (3653, 5786)]