21212970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{707099}}^1$

素因数の和:707109

約数の個数: 16

約数和(自身を含む): 50911200

約数和(自身を除く): 29698230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 707099, 1414198, 2121297, 3535495, 4242594, 7070990, 10606485, 21212970]

約数ペア:

[(1, 21212970), (2, 10606485), (3, 7070990), (5, 4242594), (6, 3535495), (10, 2121297), (15, 1414198), (30, 707099)]