2121677915

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1\times {\mathrm{1321}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 2945627520

約数和(自身を除く): 823949605

約数列:

[1, 5, 7, 35, 109, 421, 545, 763, 1321, 2105, 2947, 3815, 6605, 9247, 14735, 45889, 46235, 143989, 229445, 321223, 556141, 719945, 1007923, 1606115, 2780705, 3892987, 5039615, 19464935, 60619369, 303096845, 424335583, 2121677915]

約数ペア:

[(1, 2121677915), (5, 424335583), (7, 303096845), (35, 60619369), (109, 19464935), (421, 5039615), (545, 3892987), (763, 2780705), (1321, 1606115), (2105, 1007923), (2947, 719945), (3815, 556141), (6605, 321223), (9247, 229445), (14735, 143989), (45889, 46235)]