21175716

素因数分解:

$2^2\times 3^1\times {\mathrm{881}}^1\times {\mathrm{2003}}^1$

素因数の和:2891

約数の個数: 24

約数和(自身を含む): 49490784

約数和(自身を除く): 28315068

約数列:

[1, 2, 3, 4, 6, 12, 881, 1762, 2003, 2643, 3524, 4006, 5286, 6009, 8012, 10572, 12018, 24036, 1764643, 3529286, 5293929, 7058572, 10587858, 21175716]

約数ペア:

[(1, 21175716), (2, 10587858), (3, 7058572), (4, 5293929), (6, 3529286), (12, 1764643), (881, 24036), (1762, 12018), (2003, 10572), (2643, 8012), (3524, 6009), (4006, 5286)]