2021123248

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{2070823}}^1$

素因数の和:2070892

約数の個数: 20

約数和(自身を含む): 3980123728

約数和(自身を除く): 1959000480

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 2070823, 4141646, 8283292, 16566584, 33133168, 126320203, 252640406, 505280812, 1010561624, 2021123248]

約数ペア:

[(1, 2021123248), (2, 1010561624), (4, 505280812), (8, 252640406), (16, 126320203), (61, 33133168), (122, 16566584), (244, 8283292), (488, 4141646), (976, 2070823)]