21921416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{249107}}^1$

素因数の和:249124

約数の個数: 16

約数和(自身を含む): 44839440

約数和(自身を除く): 22918024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 249107, 498214, 996428, 1992856, 2740177, 5480354, 10960708, 21921416]

約数ペア:

[(1, 21921416), (2, 10960708), (4, 5480354), (8, 2740177), (11, 1992856), (22, 996428), (44, 498214), (88, 249107)]