21027152

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57139}}^1$

素因数の和:57170

約数の個数: 20

約数和(自身を含む): 42512160

約数和(自身を除く): 21485008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57139, 114278, 228556, 457112, 914224, 1314197, 2628394, 5256788, 10513576, 21027152]

約数ペア:

[(1, 21027152), (2, 10513576), (4, 5256788), (8, 2628394), (16, 1314197), (23, 914224), (46, 457112), (92, 228556), (184, 114278), (368, 57139)]