21437771

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 23390208

約数和(自身を除く): 1952437

約数列:

[1, 23, 31, 107, 281, 713, 2461, 3317, 6463, 8711, 30067, 76291, 200353, 691541, 932077, 21437771]

約数ペア:

[(1, 21437771), (23, 932077), (31, 691541), (107, 200353), (281, 76291), (713, 30067), (2461, 8711), (3317, 6463)]