21083740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62011}}^1$

素因数の和:62037

約数の個数: 24

約数和(自身を含む): 46881072

約数和(自身を除く): 25797332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 62011, 124022, 248044, 310055, 620110, 1054187, 1240220, 2108374, 4216748, 5270935, 10541870, 21083740]

約数ペア:

[(1, 21083740), (2, 10541870), (4, 5270935), (5, 4216748), (10, 2108374), (17, 1240220), (20, 1054187), (34, 620110), (68, 310055), (85, 248044), (170, 124022), (340, 62011)]