2021203790

素因数分解:

$2^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{438439}}^1$

素因数の和:438907

約数の個数: 16

約数和(自身を含む): 3646067040

約数和(自身を除く): 1624863250

約数列:

[1, 2, 5, 10, 461, 922, 2305, 4610, 438439, 876878, 2192195, 4384390, 202120379, 404240758, 1010601895, 2021203790]

約数ペア:

[(1, 2021203790), (2, 1010601895), (5, 404240758), (10, 202120379), (461, 4384390), (922, 2192195), (2305, 876878), (4610, 438439)]