2021380

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 4273920

約数和(自身を除く): 2252540

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 479, 844, 958, 1055, 1916, 2110, 2395, 4220, 4790, 9580, 101069, 202138, 404276, 505345, 1010690, 2021380]

約数ペア:

[(1, 2021380), (2, 1010690), (4, 505345), (5, 404276), (10, 202138), (20, 101069), (211, 9580), (422, 4790), (479, 4220), (844, 2395), (958, 2110), (1055, 1916)]