21216435

素因数分解:

$3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5869}}^1$

素因数の和:6118

約数の個数: 16

約数和(自身を含む): 34092960

約数和(自身を除く): 12876525

約数列:

[1, 3, 5, 15, 241, 723, 1205, 3615, 5869, 17607, 29345, 88035, 1414429, 4243287, 7072145, 21216435]

約数ペア:

[(1, 21216435), (3, 7072145), (5, 4243287), (15, 1414429), (241, 88035), (723, 29345), (1205, 17607), (3615, 5869)]