21497982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1061}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 47101824

約数和(自身を除く): 25603842

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 307, 614, 921, 1061, 1842, 2122, 3183, 3377, 6366, 6754, 10131, 11671, 20262, 23342, 35013, 70026, 325727, 651454, 977181, 1954362, 3582997, 7165994, 10748991, 21497982]

約数ペア:

[(1, 21497982), (2, 10748991), (3, 7165994), (6, 3582997), (11, 1954362), (22, 977181), (33, 651454), (66, 325727), (307, 70026), (614, 35013), (921, 23342), (1061, 20262), (1842, 11671), (2122, 10131), (3183, 6754), (3377, 6366)]