21136094

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 17302306

約数列:

[1, 2, 7, 14, 19, 38, 133, 181, 266, 362, 439, 878, 1267, 2534, 3073, 3439, 6146, 6878, 8341, 16682, 24073, 48146, 58387, 79459, 116774, 158918, 556213, 1112426, 1509721, 3019442, 10568047, 21136094]

約数ペア:

[(1, 21136094), (2, 10568047), (7, 3019442), (14, 1509721), (19, 1112426), (38, 556213), (133, 158918), (181, 116774), (266, 79459), (362, 58387), (439, 48146), (878, 24073), (1267, 16682), (2534, 8341), (3073, 6878), (3439, 6146)]