21827386

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 24

約数和(自身を含む): 38132640

約数和(自身を除く): 16305254

約数列:

[1, 2, 7, 14, 61, 122, 419, 427, 838, 854, 2933, 3721, 5866, 7442, 25559, 26047, 51118, 52094, 178913, 357826, 1559099, 3118198, 10913693, 21827386]

約数ペア:

[(1, 21827386), (2, 10913693), (7, 3118198), (14, 1559099), (61, 357826), (122, 178913), (419, 52094), (427, 51118), (838, 26047), (854, 25559), (2933, 7442), (3721, 5866)]