21130272

素因数分解:

$2^5\times 3^2\times {\mathrm{73369}}^1$

素因数の和:73385

約数の個数: 36

約数和(自身を含む): 60090030

約数和(自身を除く): 38959758

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73369, 146738, 220107, 293476, 440214, 586952, 660321, 880428, 1173904, 1320642, 1760856, 2347808, 2641284, 3521712, 5282568, 7043424, 10565136, 21130272]

約数ペア:

[(1, 21130272), (2, 10565136), (3, 7043424), (4, 5282568), (6, 3521712), (8, 2641284), (9, 2347808), (12, 1760856), (16, 1320642), (18, 1173904), (24, 880428), (32, 660321), (36, 586952), (48, 440214), (72, 293476), (96, 220107), (144, 146738), (288, 73369)]