21291244810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{852673}}^1$

素因数の和:852918

約数の個数: 32

約数和(自身を含む): 41992489152

約数和(自身を除く): 20701244342

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 1135, 2270, 2497, 4994, 12485, 24970, 852673, 1705346, 4263365, 8526730, 9379403, 18758806, 46897015, 93794030, 193556771, 387113542, 967783855, 1935567710, 2129124481, 4258248962, 10645622405, 21291244810]

約数ペア:

[(1, 21291244810), (2, 10645622405), (5, 4258248962), (10, 2129124481), (11, 1935567710), (22, 967783855), (55, 387113542), (110, 193556771), (227, 93794030), (454, 46897015), (1135, 18758806), (2270, 9379403), (2497, 8526730), (4994, 4263365), (12485, 1705346), (24970, 852673)]