21286694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 37787904

約数和(自身を除く): 16501210

約数列:

[1, 2, 11, 13, 22, 26, 143, 263, 283, 286, 526, 566, 2893, 3113, 3419, 3679, 5786, 6226, 6838, 7358, 37609, 40469, 74429, 75218, 80938, 148858, 818719, 967577, 1637438, 1935154, 10643347, 21286694]

約数ペア:

[(1, 21286694), (2, 10643347), (11, 1935154), (13, 1637438), (22, 967577), (26, 818719), (143, 148858), (263, 80938), (283, 75218), (286, 74429), (526, 40469), (566, 37609), (2893, 7358), (3113, 6838), (3419, 6226), (3679, 5786)]