21961233

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 37509120

約数和(自身を除く): 15547887

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 887, 917, 1179, 2661, 2751, 3537, 6209, 7983, 8253, 18627, 23949, 24759, 55881, 116197, 167643, 348591, 813379, 1045773, 2440137, 3137319, 7320411, 21961233]

約数ペア:

[(1, 21961233), (3, 7320411), (7, 3137319), (9, 2440137), (21, 1045773), (27, 813379), (63, 348591), (131, 167643), (189, 116197), (393, 55881), (887, 24759), (917, 23949), (1179, 18627), (2661, 8253), (2751, 7983), (3537, 6209)]