21377846

素因数分解:

$2^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4817}}^1$

素因数の和:5143

約数の個数: 16

約数和(自身を含む): 36770976

約数和(自身を除く): 15393130

約数列:

[1, 2, 7, 14, 317, 634, 2219, 4438, 4817, 9634, 33719, 67438, 1526989, 3053978, 10688923, 21377846]

約数ペア:

[(1, 21377846), (2, 10688923), (7, 3053978), (14, 1526989), (317, 67438), (634, 33719), (2219, 9634), (4438, 4817)]