21078860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95813}}^1$

素因数の和:95833

約数の個数: 24

約数和(自身を含む): 48290256

約数和(自身を除く): 27211396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95813, 191626, 383252, 479065, 958130, 1053943, 1916260, 2107886, 4215772, 5269715, 10539430, 21078860]

約数ペア:

[(1, 21078860), (2, 10539430), (4, 5269715), (5, 4215772), (10, 2107886), (11, 1916260), (20, 1053943), (22, 958130), (44, 479065), (55, 383252), (110, 191626), (220, 95813)]