21001148

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1979}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 42134400

約数和(自身を除く): 21133252

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 1979, 2653, 3958, 5306, 7916, 10612, 13853, 27706, 55412, 750041, 1500082, 3000164, 5250287, 10500574, 21001148]

約数ペア:

[(1, 21001148), (2, 10500574), (4, 5250287), (7, 3000164), (14, 1500082), (28, 750041), (379, 55412), (758, 27706), (1516, 13853), (1979, 10612), (2653, 7916), (3958, 5306)]