21752434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42989}}^1$

素因数の和:43025

約数の個数: 16

約数和(自身を含む): 37143360

約数和(自身を除く): 15390926

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42989, 85978, 472879, 945758, 988747, 1977494, 10876217, 21752434]

約数ペア:

[(1, 21752434), (2, 10876217), (11, 1977494), (22, 988747), (23, 945758), (46, 472879), (253, 85978), (506, 42989)]