21051446

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 35495040

約数和(自身を除く): 14443594

約数列:

[1, 2, 13, 26, 37, 74, 79, 158, 277, 481, 554, 962, 1027, 2054, 2923, 3601, 5846, 7202, 10249, 20498, 21883, 37999, 43766, 75998, 133237, 266474, 284479, 568958, 809671, 1619342, 10525723, 21051446]

約数ペア:

[(1, 21051446), (2, 10525723), (13, 1619342), (26, 809671), (37, 568958), (74, 284479), (79, 266474), (158, 133237), (277, 75998), (481, 43766), (554, 37999), (962, 21883), (1027, 20498), (2054, 10249), (2923, 7202), (3601, 5846)]