21671152

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{58889}}^1$

素因数の和:58920

約数の個数: 20

約数和(自身を含む): 43814160

約数和(自身を除く): 22143008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 58889, 117778, 235556, 471112, 942224, 1354447, 2708894, 5417788, 10835576, 21671152]

約数ペア:

[(1, 21671152), (2, 10835576), (4, 5417788), (8, 2708894), (16, 1354447), (23, 942224), (46, 471112), (92, 235556), (184, 117778), (368, 58889)]