21339902

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2243}}^1$

素因数の和:2383

約数の個数: 16

約数和(自身を含む): 32959872

約数和(自身を除く): 11619970

約数列:

[1, 2, 67, 71, 134, 142, 2243, 4486, 4757, 9514, 150281, 159253, 300562, 318506, 10669951, 21339902]

約数ペア:

[(1, 21339902), (2, 10669951), (67, 318506), (71, 300562), (134, 159253), (142, 150281), (2243, 9514), (4486, 4757)]