21490044

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 53306400

約数和(自身を除く): 31816356

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 348, 444, 1073, 1669, 2146, 3219, 3338, 4292, 5007, 6438, 6676, 10014, 12876, 20028, 48401, 61753, 96802, 123506, 145203, 185259, 193604, 247012, 290406, 370518, 580812, 741036, 1790837, 3581674, 5372511, 7163348, 10745022, 21490044]

約数ペア:

[(1, 21490044), (2, 10745022), (3, 7163348), (4, 5372511), (6, 3581674), (12, 1790837), (29, 741036), (37, 580812), (58, 370518), (74, 290406), (87, 247012), (111, 193604), (116, 185259), (148, 145203), (174, 123506), (222, 96802), (348, 61753), (444, 48401), (1073, 20028), (1669, 12876), (2146, 10014), (3219, 6676), (3338, 6438), (4292, 5007)]