21530517

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6301}}^1$

素因数の和:6388

約数の個数: 16

約数和(自身を含む): 30854592

約数和(自身を除く): 9324075

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 6301, 18903, 107117, 321351, 422167, 1266501, 7176839, 21530517]

約数ペア:

[(1, 21530517), (3, 7176839), (17, 1266501), (51, 422167), (67, 321351), (201, 107117), (1139, 18903), (3417, 6301)]