21305836

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3011}}^1$

素因数の和:3105

約数の個数: 24

約数和(自身を含む): 39216240

約数和(自身を除く): 17910404

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1769, 3011, 3538, 6022, 7076, 12044, 87319, 174638, 183671, 349276, 367342, 734684, 5326459, 10652918, 21305836]

約数ペア:

[(1, 21305836), (2, 10652918), (4, 5326459), (29, 734684), (58, 367342), (61, 349276), (116, 183671), (122, 174638), (244, 87319), (1769, 12044), (3011, 7076), (3538, 6022)]