21808902

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{54251}}^1$

素因数の和:54323

約数の個数: 16

約数和(自身を含む): 44269632

約数和(自身を除く): 22460730

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 54251, 108502, 162753, 325506, 3634817, 7269634, 10904451, 21808902]

約数ペア:

[(1, 21808902), (2, 10904451), (3, 7269634), (6, 3634817), (67, 325506), (134, 162753), (201, 108502), (402, 54251)]