21342176

素因数分解:

$2^5\times {\mathrm{673}}^1\times {\mathrm{991}}^1$

素因数の和:1674

約数の個数: 24

約数和(自身を含む): 42122304

約数和(自身を除く): 20780128

約数列:

[1, 2, 4, 8, 16, 32, 673, 991, 1346, 1982, 2692, 3964, 5384, 7928, 10768, 15856, 21536, 31712, 666943, 1333886, 2667772, 5335544, 10671088, 21342176]

約数ペア:

[(1, 21342176), (2, 10671088), (4, 5335544), (8, 2667772), (16, 1333886), (32, 666943), (673, 31712), (991, 21536), (1346, 15856), (1982, 10768), (2692, 7928), (3964, 5384)]