21794224

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{2797}}^1$

素因数の和:3292

約数の個数: 20

約数和(自身を含む): 42328144

約数和(自身を除く): 20533920

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 2797, 3896, 5594, 7792, 11188, 22376, 44752, 1362139, 2724278, 5448556, 10897112, 21794224]

約数ペア:

[(1, 21794224), (2, 10897112), (4, 5448556), (8, 2724278), (16, 1362139), (487, 44752), (974, 22376), (1948, 11188), (2797, 7792), (3896, 5594)]