21259082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1237}}^1$

素因数の和:1913

約数の個数: 16

約数和(自身を含む): 34421352

約数和(自身を除く): 13162270

約数列:

[1, 2, 13, 26, 661, 1237, 1322, 2474, 8593, 16081, 17186, 32162, 817657, 1635314, 10629541, 21259082]

約数ペア:

[(1, 21259082), (2, 10629541), (13, 1635314), (26, 817657), (661, 32162), (1237, 17186), (1322, 16081), (2474, 8593)]