21549724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40507}}^1$

素因数の和:40537

約数の個数: 24

約数和(自身を含む): 45368960

約数和(自身を除く): 23819236

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40507, 81014, 162028, 283549, 567098, 769633, 1134196, 1539266, 3078532, 5387431, 10774862, 21549724]

約数ペア:

[(1, 21549724), (2, 10774862), (4, 5387431), (7, 3078532), (14, 1539266), (19, 1134196), (28, 769633), (38, 567098), (76, 283549), (133, 162028), (266, 81014), (532, 40507)]