215271421

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{2053}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 231888384

約数和(自身を除く): 16616963

約数列:

[1, 23, 47, 97, 1081, 2053, 2231, 4559, 47219, 96491, 104857, 199141, 2219293, 4580243, 9359627, 215271421]

約数ペア:

[(1, 215271421), (23, 9359627), (47, 4580243), (97, 2219293), (1081, 199141), (2053, 104857), (2231, 96491), (4559, 47219)]