21220256

素因数分解:

$2^5\times {\mathrm{751}}^1\times {\mathrm{883}}^1$

素因数の和:1644

約数の個数: 24

約数和(自身を含む): 41880384

約数和(自身を除く): 20660128

約数列:

[1, 2, 4, 8, 16, 32, 751, 883, 1502, 1766, 3004, 3532, 6008, 7064, 12016, 14128, 24032, 28256, 663133, 1326266, 2652532, 5305064, 10610128, 21220256]

約数ペア:

[(1, 21220256), (2, 10610128), (4, 5305064), (8, 2652532), (16, 1326266), (32, 663133), (751, 28256), (883, 24032), (1502, 14128), (1766, 12016), (3004, 7064), (3532, 6008)]