21326992

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{4027}}^1$

素因数の和:4366

約数の個数: 20

約数和(自身を含む): 41456176

約数和(自身を除く): 20129184

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 4027, 5296, 8054, 16108, 32216, 64432, 1332937, 2665874, 5331748, 10663496, 21326992]

約数ペア:

[(1, 21326992), (2, 10663496), (4, 5331748), (8, 2665874), (16, 1332937), (331, 64432), (662, 32216), (1324, 16108), (2648, 8054), (4027, 5296)]