21124408048

素因数分解:

$2^4\times {\mathrm{8219}}^1\times {\mathrm{160637}}^1$

素因数の和:168864

約数の個数: 20

約数和(自身を含む): 40933775160

約数和(自身を除く): 19809367112

約数列:

[1, 2, 4, 8, 16, 8219, 16438, 32876, 65752, 131504, 160637, 321274, 642548, 1285096, 2570192, 1320275503, 2640551006, 5281102012, 10562204024, 21124408048]

約数ペア:

[(1, 21124408048), (2, 10562204024), (4, 5281102012), (8, 2640551006), (16, 1320275503), (8219, 2570192), (16438, 1285096), (32876, 642548), (65752, 321274), (131504, 160637)]