21807170108

素因数分解:

$2^2\times {\mathrm{47903}}^1\times {\mathrm{113809}}^1$

素因数の和:161716

約数の個数: 12

約数和(自身を含む): 38163679680

約数和(自身を除く): 16356509572

約数列:

[1, 2, 4, 47903, 95806, 113809, 191612, 227618, 455236, 5451792527, 10903585054, 21807170108]

約数ペア:

[(1, 21807170108), (2, 10903585054), (4, 5451792527), (47903, 455236), (95806, 227618), (113809, 191612)]