2021090216

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{502259}}^1$

素因数の和:502768

約数の個数: 16

約数和(自身を含む): 3797085600

約数和(自身を除く): 1775995384

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 502259, 1004518, 2009036, 4018072, 252636277, 505272554, 1010545108, 2021090216]

約数ペア:

[(1, 2021090216), (2, 1010545108), (4, 505272554), (8, 252636277), (503, 4018072), (1006, 2009036), (2012, 1004518), (4024, 502259)]