21026161

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 24267600

約数和(自身を除く): 3241439

約数列:

[1, 13, 17, 89, 221, 1069, 1157, 1513, 13897, 18173, 19669, 95141, 236249, 1236833, 1617397, 21026161]

約数ペア:

[(1, 21026161), (13, 1617397), (17, 1236833), (89, 236249), (221, 95141), (1069, 19669), (1157, 18173), (1513, 13897)]