21383060

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1487}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 44997120

約数和(自身を除く): 23614060

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 1487, 2876, 2974, 3595, 5948, 7190, 7435, 14380, 14870, 29740, 1069153, 2138306, 4276612, 5345765, 10691530, 21383060]

約数ペア:

[(1, 21383060), (2, 10691530), (4, 5345765), (5, 4276612), (10, 2138306), (20, 1069153), (719, 29740), (1438, 14870), (1487, 14380), (2876, 7435), (2974, 7190), (3595, 5948)]