21282717

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6121}}^1$

素因数の和:6204

約数の個数: 16

約数和(自身を含む): 30365120

約数和(自身を除く): 9082403

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 6121, 18363, 116299, 348897, 373381, 1120143, 7094239, 21282717]

約数ペア:

[(1, 21282717), (3, 7094239), (19, 1120143), (57, 373381), (61, 348897), (183, 116299), (1159, 18363), (3477, 6121)]