21471879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50051}}^1$

素因数の和:50078

約数の個数: 16

約数和(自身を含む): 33634944

約数和(自身を除く): 12163065

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50051, 150153, 550561, 650663, 1651683, 1951989, 7157293, 21471879]

約数ペア:

[(1, 21471879), (3, 7157293), (11, 1951989), (13, 1651683), (33, 650663), (39, 550561), (143, 150153), (429, 50051)]