21359211

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6143}}^1$

素因数の和:6226

約数の個数: 16

約数和(自身を含む): 30474240

約数和(自身を除く): 9115029

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 6143, 18429, 116717, 350151, 374723, 1124169, 7119737, 21359211]

約数ペア:

[(1, 21359211), (3, 7119737), (19, 1124169), (57, 374723), (61, 350151), (183, 116717), (1159, 18429), (3477, 6143)]