21233397

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 28873152

約数和(自身を除く): 7639755

約数列:

[1, 3, 97, 131, 291, 393, 557, 1671, 12707, 38121, 54029, 72967, 162087, 218901, 7077799, 21233397]

約数ペア:

[(1, 21233397), (3, 7077799), (97, 218901), (131, 162087), (291, 72967), (393, 54029), (557, 38121), (1671, 12707)]