21559433

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{937}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 26113920

約数和(自身を除く): 4554487

約数列:

[1, 7, 19, 133, 173, 937, 1211, 3287, 6559, 17803, 23009, 124621, 162101, 1134707, 3079919, 21559433]

約数ペア:

[(1, 21559433), (7, 3079919), (19, 1134707), (133, 162101), (173, 124621), (937, 23009), (1211, 17803), (3287, 6559)]