2021201104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9717313}}^1$

素因数の和:9717334

約数の個数: 20

約数和(自身を含む): 4217314276

約数和(自身を除く): 2196113172

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9717313, 19434626, 38869252, 77738504, 126325069, 155477008, 252650138, 505300276, 1010600552, 2021201104]

約数ペア:

[(1, 2021201104), (2, 1010600552), (4, 505300276), (8, 252650138), (13, 155477008), (16, 126325069), (26, 77738504), (52, 38869252), (104, 19434626), (208, 9717313)]