21271812

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{17551}}^1$

素因数の和:17659

約数の個数: 24

約数和(自身を含む): 50128512

約数和(自身を除く): 28856700

約数列:

[1, 2, 3, 4, 6, 12, 101, 202, 303, 404, 606, 1212, 17551, 35102, 52653, 70204, 105306, 210612, 1772651, 3545302, 5317953, 7090604, 10635906, 21271812]

約数ペア:

[(1, 21271812), (2, 10635906), (3, 7090604), (4, 5317953), (6, 3545302), (12, 1772651), (101, 210612), (202, 105306), (303, 70204), (404, 52653), (606, 35102), (1212, 17551)]