21936944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{72161}}^1$

素因数の和:72188

約数の個数: 20

約数和(自身を含む): 44740440

約数和(自身を除く): 22803496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 72161, 144322, 288644, 577288, 1154576, 1371059, 2742118, 5484236, 10968472, 21936944]

約数ペア:

[(1, 21936944), (2, 10968472), (4, 5484236), (8, 2742118), (16, 1371059), (19, 1154576), (38, 577288), (76, 288644), (152, 144322), (304, 72161)]