21191274

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{30187}}^1$

素因数の和:30211

約数の個数: 32

約数和(自身を含む): 50715840

約数和(自身を除く): 29524566

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 30187, 60374, 90561, 181122, 271683, 392431, 543366, 784862, 815049, 1177293, 1630098, 2354586, 3531879, 7063758, 10595637, 21191274]

約数ペア:

[(1, 21191274), (2, 10595637), (3, 7063758), (6, 3531879), (9, 2354586), (13, 1630098), (18, 1177293), (26, 815049), (27, 784862), (39, 543366), (54, 392431), (78, 271683), (117, 181122), (234, 90561), (351, 60374), (702, 30187)]