21084951

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{709}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 29445120

約数和(自身を除く): 8360169

約数列:

[1, 3, 23, 69, 431, 709, 1293, 2127, 9913, 16307, 29739, 48921, 305579, 916737, 7028317, 21084951]

約数ペア:

[(1, 21084951), (3, 7028317), (23, 916737), (69, 305579), (431, 48921), (709, 29739), (1293, 16307), (2127, 9913)]