21455244

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20551}}^1$

素因数の和:20590

約数の個数: 36

約数和(自身を含む): 56106960

約数和(自身を除く): 34651716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20551, 41102, 61653, 82204, 123306, 184959, 246612, 369918, 595979, 739836, 1191958, 1787937, 2383916, 3575874, 5363811, 7151748, 10727622, 21455244]

約数ペア:

[(1, 21455244), (2, 10727622), (3, 7151748), (4, 5363811), (6, 3575874), (9, 2383916), (12, 1787937), (18, 1191958), (29, 739836), (36, 595979), (58, 369918), (87, 246612), (116, 184959), (174, 123306), (261, 82204), (348, 61653), (522, 41102), (1044, 20551)]