21692867

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{433}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 26373312

約数和(自身を除く): 4680445

約数列:

[1, 7, 17, 119, 421, 433, 2947, 3031, 7157, 7361, 50099, 51527, 182293, 1276051, 3098981, 21692867]

約数ペア:

[(1, 21692867), (7, 3098981), (17, 1276051), (119, 182293), (421, 51527), (433, 50099), (2947, 7361), (3031, 7157)]