21207351

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2287}}^1$

素因数の和:2582

約数の個数: 16

約数和(自身を含む): 30970368

約数和(自身を除く): 9763017

約数列:

[1, 3, 11, 33, 281, 843, 2287, 3091, 6861, 9273, 25157, 75471, 642647, 1927941, 7069117, 21207351]

約数ペア:

[(1, 21207351), (3, 7069117), (11, 1927941), (33, 642647), (281, 75471), (843, 25157), (2287, 9273), (3091, 6861)]