21961788

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{11657}}^1$

素因数の和:11821

約数の個数: 24

約数和(自身を含む): 51574992

約数和(自身を除く): 29613204

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 11657, 23314, 34971, 46628, 69942, 139884, 1830149, 3660298, 5490447, 7320596, 10980894, 21961788]

約数ペア:

[(1, 21961788), (2, 10980894), (3, 7320596), (4, 5490447), (6, 3660298), (12, 1830149), (157, 139884), (314, 69942), (471, 46628), (628, 34971), (942, 23314), (1884, 11657)]