21554526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{513203}}^1$

素因数の和:513215

約数の個数: 16

約数和(自身を含む): 49267584

約数和(自身を除く): 27713058

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 513203, 1026406, 1539609, 3079218, 3592421, 7184842, 10777263, 21554526]

約数ペア:

[(1, 21554526), (2, 10777263), (3, 7184842), (6, 3592421), (7, 3079218), (14, 1539609), (21, 1026406), (42, 513203)]