21797001

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 32517056

約数和(自身を除く): 10720055

約数列:

[1, 3, 9, 43, 129, 151, 373, 387, 453, 1119, 1359, 3357, 6493, 16039, 19479, 48117, 56323, 58437, 144351, 168969, 506907, 2421889, 7265667, 21797001]

約数ペア:

[(1, 21797001), (3, 7265667), (9, 2421889), (43, 506907), (129, 168969), (151, 144351), (373, 58437), (387, 56323), (453, 48117), (1119, 19479), (1359, 16039), (3357, 6493)]