2021104784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6648371}}^1$

素因数の和:6648398

約数の個数: 20

約数和(自身を含む): 4121990640

約数和(自身を除く): 2100885856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6648371, 13296742, 26593484, 53186968, 106373936, 126319049, 252638098, 505276196, 1010552392, 2021104784]

約数ペア:

[(1, 2021104784), (2, 1010552392), (4, 505276196), (8, 252638098), (16, 126319049), (19, 106373936), (38, 53186968), (76, 26593484), (152, 13296742), (304, 6648371)]