12211521

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3851}}^1$

素因数の和:4012

約数の個数: 16

約数和(自身を含む): 18736128

約数和(自身を除く): 6524607

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 3851, 11553, 26957, 80871, 581501, 1744503, 4070507, 12211521]

約数ペア:

[(1, 12211521), (3, 4070507), (7, 1744503), (21, 581501), (151, 80871), (453, 26957), (1057, 11553), (3171, 3851)]