21658294

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3623}}^1$

素因数の和:3700

約数の個数: 24

約数和(自身を含む): 38421648

約数和(自身を除く): 16763354

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3623, 5978, 7246, 25361, 50722, 177527, 221003, 355054, 442006, 1547021, 3094042, 10829147, 21658294]

約数ペア:

[(1, 21658294), (2, 10829147), (7, 3094042), (14, 1547021), (49, 442006), (61, 355054), (98, 221003), (122, 177527), (427, 50722), (854, 25361), (2989, 7246), (3623, 5978)]