21671122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 36990720

約数和(自身を除く): 15319598

約数列:

[1, 2, 11, 22, 37, 74, 79, 158, 337, 407, 674, 814, 869, 1738, 2923, 3707, 5846, 7414, 12469, 24938, 26623, 32153, 53246, 64306, 137159, 274318, 292853, 585706, 985051, 1970102, 10835561, 21671122]

約数ペア:

[(1, 21671122), (2, 10835561), (11, 1970102), (22, 985051), (37, 585706), (74, 292853), (79, 274318), (158, 137159), (337, 64306), (407, 53246), (674, 32153), (814, 26623), (869, 24938), (1738, 12469), (2923, 7414), (3707, 5846)]