21647402

素因数分解:

$2^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{3571}}^1$

素因数の和:4013

約数の個数: 16

約数和(自身を含む): 37205952

約数和(自身を除く): 15558550

約数列:

[1, 2, 7, 14, 433, 866, 3031, 3571, 6062, 7142, 24997, 49994, 1546243, 3092486, 10823701, 21647402]

約数ペア:

[(1, 21647402), (2, 10823701), (7, 3092486), (14, 1546243), (433, 49994), (866, 24997), (3031, 7142), (3571, 6062)]