21879244808

素因数分解:

$2^3\times {\mathrm{2243}}^1\times {\mathrm{1219307}}^1$

素因数の和:1221556

約数の個数: 16

約数和(自身を含む): 41041907280

約数和(自身を除く): 19162662472

約数列:

[1, 2, 4, 8, 2243, 4486, 8972, 17944, 1219307, 2438614, 4877228, 9754456, 2734905601, 5469811202, 10939622404, 21879244808]

約数ペア:

[(1, 21879244808), (2, 10939622404), (4, 5469811202), (8, 2734905601), (2243, 9754456), (4486, 4877228), (8972, 2438614), (17944, 1219307)]