16821381

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1453}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 23868864

約数和(自身を除く): 7047483

約数列:

[1, 3, 17, 51, 227, 681, 1453, 3859, 4359, 11577, 24701, 74103, 329831, 989493, 5607127, 16821381]

約数ペア:

[(1, 16821381), (3, 5607127), (17, 989493), (51, 329831), (227, 74103), (681, 24701), (1453, 11577), (3859, 4359)]