2021097218

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{290471}}^1$

素因数の和:290558

約数の個数: 24

約数和(自身を含む): 3576291264

約数和(自身を除く): 1555194046

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 3479, 6958, 290471, 580942, 2033297, 4066594, 14233079, 20623441, 28466158, 41246882, 144364087, 288728174, 1010548609, 2021097218]

約数ペア:

[(1, 2021097218), (2, 1010548609), (7, 288728174), (14, 144364087), (49, 41246882), (71, 28466158), (98, 20623441), (142, 14233079), (497, 4066594), (994, 2033297), (3479, 580942), (6958, 290471)]