21107032

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85109}}^1$

素因数の和:85146

約数の個数: 16

約数和(自身を含む): 40852800

約数和(自身を除く): 19745768

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85109, 170218, 340436, 680872, 2638379, 5276758, 10553516, 21107032]

約数ペア:

[(1, 21107032), (2, 10553516), (4, 5276758), (8, 2638379), (31, 680872), (62, 340436), (124, 170218), (248, 85109)]