21252434

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11953}}^1$

素因数の和:12089

約数の個数: 16

約数和(自身を含む): 36722688

約数和(自身を除く): 15470254

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11953, 23906, 83671, 167342, 1518031, 3036062, 10626217, 21252434]

約数ペア:

[(1, 21252434), (2, 10626217), (7, 3036062), (14, 1518031), (127, 167342), (254, 83671), (889, 23906), (1778, 11953)]