21457458

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 51026976

約数和(自身を除く): 29569518

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 307, 353, 614, 706, 921, 1059, 1842, 2118, 2763, 3177, 3377, 3883, 5526, 6354, 6754, 7766, 10131, 11649, 20262, 23298, 30393, 34947, 60786, 69894, 108371, 216742, 325113, 650226, 975339, 1192081, 1950678, 2384162, 3576243, 7152486, 10728729, 21457458]

約数ペア:

[(1, 21457458), (2, 10728729), (3, 7152486), (6, 3576243), (9, 2384162), (11, 1950678), (18, 1192081), (22, 975339), (33, 650226), (66, 325113), (99, 216742), (198, 108371), (307, 69894), (353, 60786), (614, 34947), (706, 30393), (921, 23298), (1059, 20262), (1842, 11649), (2118, 10131), (2763, 7766), (3177, 6754), (3377, 6354), (3883, 5526)]