821982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19571}}^1$

素因数の和:19583

約数の個数: 16

約数和(自身を含む): 1878912

約数和(自身を除く): 1056930

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 19571, 39142, 58713, 117426, 136997, 273994, 410991, 821982]

約数ペア:

[(1, 821982), (2, 410991), (3, 273994), (6, 136997), (7, 117426), (14, 58713), (21, 39142), (42, 19571)]