21497626248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{455381}}^1$

素因数の和:455678

約数の個数: 64

約数和(自身を含む): 61640507520

約数和(自身を除く): 40142881272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 281, 562, 843, 1124, 1686, 1967, 2248, 3372, 3934, 5901, 6744, 7868, 11802, 15736, 23604, 47208, 455381, 910762, 1366143, 1821524, 2732286, 3187667, 3643048, 5464572, 6375334, 9563001, 10929144, 12750668, 19126002, 25501336, 38252004, 76504008, 127962061, 255924122, 383886183, 511848244, 767772366, 895734427, 1023696488, 1535544732, 1791468854, 2687203281, 3071089464, 3582937708, 5374406562, 7165875416, 10748813124, 21497626248]

約数ペア:

[(1, 21497626248), (2, 10748813124), (3, 7165875416), (4, 5374406562), (6, 3582937708), (7, 3071089464), (8, 2687203281), (12, 1791468854), (14, 1535544732), (21, 1023696488), (24, 895734427), (28, 767772366), (42, 511848244), (56, 383886183), (84, 255924122), (168, 127962061), (281, 76504008), (562, 38252004), (843, 25501336), (1124, 19126002), (1686, 12750668), (1967, 10929144), (2248, 9563001), (3372, 6375334), (3934, 5464572), (5901, 3643048), (6744, 3187667), (7868, 2732286), (11802, 1821524), (15736, 1366143), (23604, 910762), (47208, 455381)]