21284586

素因数分解:

$2^1\times 3^3\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 47449920

約数和(自身を除く): 26165334

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 613, 643, 1226, 1286, 1839, 1929, 3678, 3858, 5517, 5787, 11034, 11574, 16551, 17361, 33102, 34722, 394159, 788318, 1182477, 2364954, 3547431, 7094862, 10642293, 21284586]

約数ペア:

[(1, 21284586), (2, 10642293), (3, 7094862), (6, 3547431), (9, 2364954), (18, 1182477), (27, 788318), (54, 394159), (613, 34722), (643, 33102), (1226, 17361), (1286, 16551), (1839, 11574), (1929, 11034), (3678, 5787), (3858, 5517)]