21805596

素因数分解:

$2^2\times 3^2\times {\mathrm{307}}^1\times {\mathrm{1973}}^1$

素因数の和:2290

約数の個数: 36

約数和(自身を含む): 55327272

約数和(自身を除く): 33521676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 307, 614, 921, 1228, 1842, 1973, 2763, 3684, 3946, 5526, 5919, 7892, 11052, 11838, 17757, 23676, 35514, 71028, 605711, 1211422, 1817133, 2422844, 3634266, 5451399, 7268532, 10902798, 21805596]

約数ペア:

[(1, 21805596), (2, 10902798), (3, 7268532), (4, 5451399), (6, 3634266), (9, 2422844), (12, 1817133), (18, 1211422), (36, 605711), (307, 71028), (614, 35514), (921, 23676), (1228, 17757), (1842, 11838), (1973, 11052), (2763, 7892), (3684, 5919), (3946, 5526)]