21508437

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{941}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 30294720

約数和(自身を除く): 8786283

約数列:

[1, 3, 19, 57, 401, 941, 1203, 2823, 7619, 17879, 22857, 53637, 377341, 1132023, 7169479, 21508437]

約数ペア:

[(1, 21508437), (3, 7169479), (19, 1132023), (57, 377341), (401, 53637), (941, 22857), (1203, 17879), (2823, 7619)]