21604394

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2477}}^1$

素因数の和:2582

約数の個数: 24

約数和(自身を含む): 38136420

約数和(自身を除く): 16532026

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2477, 4361, 4954, 8722, 17339, 34678, 121373, 220453, 242746, 440906, 1543171, 3086342, 10802197, 21604394]

約数ペア:

[(1, 21604394), (2, 10802197), (7, 3086342), (14, 1543171), (49, 440906), (89, 242746), (98, 220453), (178, 121373), (623, 34678), (1246, 17339), (2477, 8722), (4361, 4954)]