21687274

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 17939222

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 293, 311, 586, 622, 2051, 2177, 4102, 4354, 4981, 5287, 9962, 10574, 34867, 37009, 69734, 74018, 91123, 182246, 637861, 1275722, 1549091, 3098182, 10843637, 21687274]

約数ペア:

[(1, 21687274), (2, 10843637), (7, 3098182), (14, 1549091), (17, 1275722), (34, 637861), (119, 182246), (238, 91123), (293, 74018), (311, 69734), (586, 37009), (622, 34867), (2051, 10574), (2177, 9962), (4102, 5287), (4354, 4981)]