21213850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{60611}}^1$

素因数の和:60630

約数の個数: 24

約数和(自身を含む): 45095328

約数和(自身を除く): 23881478

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 60611, 121222, 303055, 424277, 606110, 848554, 1515275, 2121385, 3030550, 4242770, 10606925, 21213850]

約数ペア:

[(1, 21213850), (2, 10606925), (5, 4242770), (7, 3030550), (10, 2121385), (14, 1515275), (25, 848554), (35, 606110), (50, 424277), (70, 303055), (175, 121222), (350, 60611)]