21579288

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 58368000

約数和(自身を除く): 36788712

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1279, 1406, 2109, 2558, 2812, 3837, 4218, 5116, 5624, 7674, 8436, 10232, 15348, 16872, 24301, 30696, 47323, 48602, 72903, 94646, 97204, 141969, 145806, 189292, 194408, 283938, 291612, 378584, 567876, 583224, 899137, 1135752, 1798274, 2697411, 3596548, 5394822, 7193096, 10789644, 21579288]

約数ペア:

[(1, 21579288), (2, 10789644), (3, 7193096), (4, 5394822), (6, 3596548), (8, 2697411), (12, 1798274), (19, 1135752), (24, 899137), (37, 583224), (38, 567876), (57, 378584), (74, 291612), (76, 283938), (111, 194408), (114, 189292), (148, 145806), (152, 141969), (222, 97204), (228, 94646), (296, 72903), (444, 48602), (456, 47323), (703, 30696), (888, 24301), (1279, 16872), (1406, 15348), (2109, 10232), (2558, 8436), (2812, 7674), (3837, 5624), (4218, 5116)]