2021990204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{904289}}^1$

素因数の和:904349

約数の個数: 24

約数和(自身を含む): 3899298480

約数和(自身を除く): 1877308276

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 904289, 1808578, 3617156, 11755757, 23511514, 38884427, 47023028, 77768854, 155537708, 505497551, 1010995102, 2021990204]

約数ペア:

[(1, 2021990204), (2, 1010995102), (4, 505497551), (13, 155537708), (26, 77768854), (43, 47023028), (52, 38884427), (86, 23511514), (172, 11755757), (559, 3617156), (1118, 1808578), (2236, 904289)]