21254581726

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{50077}}^1$

素因数の和:50225

約数の個数: 48

約数和(自身を含む): 38226740832

約数和(自身を除く): 16972159106

約数列:

[1, 2, 7, 14, 49, 61, 71, 98, 122, 142, 427, 497, 854, 994, 2989, 3479, 4331, 5978, 6958, 8662, 30317, 50077, 60634, 100154, 212219, 350539, 424438, 701078, 2453773, 3054697, 3555467, 4907546, 6109394, 7110934, 21382879, 24888269, 42765758, 49776538, 149680153, 174217883, 216883487, 299360306, 348435766, 433766974, 1518184409, 3036368818, 10627290863, 21254581726]

約数ペア:

[(1, 21254581726), (2, 10627290863), (7, 3036368818), (14, 1518184409), (49, 433766974), (61, 348435766), (71, 299360306), (98, 216883487), (122, 174217883), (142, 149680153), (427, 49776538), (497, 42765758), (854, 24888269), (994, 21382879), (2989, 7110934), (3479, 6109394), (4331, 4907546), (5978, 3555467), (6958, 3054697), (8662, 2453773), (30317, 701078), (50077, 424438), (60634, 350539), (100154, 212219)]