21746661

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 30897216

約数和(自身を除く): 9150555

約数列:

[1, 3, 23, 69, 71, 193, 213, 529, 579, 1587, 1633, 4439, 4899, 13317, 13703, 37559, 41109, 102097, 112677, 306291, 315169, 945507, 7248887, 21746661]

約数ペア:

[(1, 21746661), (3, 7248887), (23, 945507), (69, 315169), (71, 306291), (193, 112677), (213, 102097), (529, 41109), (579, 37559), (1587, 13703), (1633, 13317), (4439, 4899)]