21810037921

素因数分解:

$7^1\times {\mathrm{919}}^1\times {\mathrm{1123}}^1\times {\mathrm{3019}}^1$

素因数の和:5068

約数の個数: 16

約数和(自身を含む): 24983372800

約数和(自身を除く): 3173334879

約数列:

[1, 7, 919, 1123, 3019, 6433, 7861, 21133, 1032037, 2774461, 3390337, 7224259, 19421227, 23732359, 3115719703, 21810037921]

約数ペア:

[(1, 21810037921), (7, 3115719703), (919, 23732359), (1123, 19421227), (3019, 7224259), (6433, 3390337), (7861, 2774461), (21133, 1032037)]