21211236

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11117}}^1$

素因数の和:11180

約数の個数: 36

約数和(自身を含む): 54633852

約数和(自身を除く): 33422616

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11117, 22234, 33351, 44468, 66702, 100053, 133404, 200106, 400212, 589201, 1178402, 1767603, 2356804, 3535206, 5302809, 7070412, 10605618, 21211236]

約数ペア:

[(1, 21211236), (2, 10605618), (3, 7070412), (4, 5302809), (6, 3535206), (9, 2356804), (12, 1767603), (18, 1178402), (36, 589201), (53, 400212), (106, 200106), (159, 133404), (212, 100053), (318, 66702), (477, 44468), (636, 33351), (954, 22234), (1908, 11117)]