21199802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1433}}^1$

素因数の和:2017

約数の個数: 16

約数和(自身を含む): 34329960

約数和(自身を除く): 13130158

約数列:

[1, 2, 13, 26, 569, 1138, 1433, 2866, 7397, 14794, 18629, 37258, 815377, 1630754, 10599901, 21199802]

約数ペア:

[(1, 21199802), (2, 10599901), (13, 1630754), (26, 815377), (569, 37258), (1138, 18629), (1433, 14794), (2866, 7397)]