21067029

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7247}}^1$

素因数の和:7289

約数の個数: 24

約数和(自身を含む): 33920640

約数和(自身を除く): 12853611

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7247, 21741, 65223, 123199, 137693, 369597, 413079, 1108791, 1239237, 2340781, 7022343, 21067029]

約数ペア:

[(1, 21067029), (3, 7022343), (9, 2340781), (17, 1239237), (19, 1108791), (51, 413079), (57, 369597), (153, 137693), (171, 123199), (323, 65223), (969, 21741), (2907, 7247)]