21954021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5449}}^1$

素因数の和:5548

約数の個数: 16

約数和(自身を含む): 31392000

約数和(自身を除く): 9437979

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5449, 16347, 92633, 277899, 430471, 1291413, 7318007, 21954021]

約数ペア:

[(1, 21954021), (3, 7318007), (17, 1291413), (51, 430471), (79, 277899), (237, 92633), (1343, 16347), (4029, 5449)]