21558464

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17729}}^1$

素因数の和:17760

約数の個数: 28

約数和(自身を含む): 45034200

約数和(自身を除く): 23475736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17729, 35458, 70916, 141832, 283664, 336851, 567328, 673702, 1134656, 1347404, 2694808, 5389616, 10779232, 21558464]

約数ペア:

[(1, 21558464), (2, 10779232), (4, 5389616), (8, 2694808), (16, 1347404), (19, 1134656), (32, 673702), (38, 567328), (64, 336851), (76, 283664), (152, 141832), (304, 70916), (608, 35458), (1216, 17729)]