21323787

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1871}}^1$

素因数の和:2034

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 8328693

約数列:

[1, 3, 29, 87, 131, 393, 1871, 3799, 5613, 11397, 54259, 162777, 245101, 735303, 7107929, 21323787]

約数ペア:

[(1, 21323787), (3, 7107929), (29, 735303), (87, 245101), (131, 162777), (393, 54259), (1871, 11397), (3799, 5613)]