21552517

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{467}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 26058240

約数和(自身を除く): 4505723

約数列:

[1, 7, 19, 133, 347, 467, 2429, 3269, 6593, 8873, 46151, 62111, 162049, 1134343, 3078931, 21552517]

約数ペア:

[(1, 21552517), (7, 3078931), (19, 1134343), (133, 162049), (347, 62111), (467, 46151), (2429, 8873), (3269, 6593)]