21880140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364669}}^1$

素因数の和:364681

約数の個数: 24

約数和(自身を含む): 61264560

約数和(自身を除く): 39384420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364669, 729338, 1094007, 1458676, 1823345, 2188014, 3646690, 4376028, 5470035, 7293380, 10940070, 21880140]

約数ペア:

[(1, 21880140), (2, 10940070), (3, 7293380), (4, 5470035), (5, 4376028), (6, 3646690), (10, 2188014), (12, 1823345), (15, 1458676), (20, 1094007), (30, 729338), (60, 364669)]