2021115728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6648407}}^1$

素因数の和:6648434

約数の個数: 20

約数和(自身を含む): 4122012960

約数和(自身を除く): 2100897232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6648407, 13296814, 26593628, 53187256, 106374512, 126319733, 252639466, 505278932, 1010557864, 2021115728]

約数ペア:

[(1, 2021115728), (2, 1010557864), (4, 505278932), (8, 252639466), (16, 126319733), (19, 106374512), (38, 53187256), (76, 26593628), (152, 13296814), (304, 6648407)]