21911139

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 32555952

約数和(自身を除く): 10644813

約数列:

[1, 3, 9, 61, 107, 183, 321, 373, 549, 963, 1119, 3357, 6527, 19581, 22753, 39911, 58743, 68259, 119733, 204777, 359199, 2434571, 7303713, 21911139]

約数ペア:

[(1, 21911139), (3, 7303713), (9, 2434571), (61, 359199), (107, 204777), (183, 119733), (321, 68259), (373, 58743), (549, 39911), (963, 22753), (1119, 19581), (3357, 6527)]