21504111

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2161}}^1$

素因数の和:2302

約数の個数: 16

約数和(自身を含む): 29887488

約数和(自身を除く): 8383377

約数列:

[1, 3, 31, 93, 107, 321, 2161, 3317, 6483, 9951, 66991, 200973, 231227, 693681, 7168037, 21504111]

約数ペア:

[(1, 21504111), (3, 7168037), (31, 693681), (93, 231227), (107, 200973), (321, 66991), (2161, 9951), (3317, 6483)]