21050854

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2412

約数の個数: 24

約数和(自身を含む): 35661024

約数和(自身を除く): 14610170

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2351, 4477, 4702, 8954, 25861, 51722, 86987, 173974, 284471, 568942, 956857, 1913714, 10525427, 21050854]

約数ペア:

[(1, 21050854), (2, 10525427), (11, 1913714), (22, 956857), (37, 568942), (74, 284471), (121, 173974), (242, 86987), (407, 51722), (814, 25861), (2351, 8954), (4477, 4702)]