21702216

素因数分解:

$2^3\times 3^1\times {\mathrm{349}}^1\times {\mathrm{2591}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 32729784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 349, 698, 1047, 1396, 2094, 2591, 2792, 4188, 5182, 7773, 8376, 10364, 15546, 20728, 31092, 62184, 904259, 1808518, 2712777, 3617036, 5425554, 7234072, 10851108, 21702216]

約数ペア:

[(1, 21702216), (2, 10851108), (3, 7234072), (4, 5425554), (6, 3617036), (8, 2712777), (12, 1808518), (24, 904259), (349, 62184), (698, 31092), (1047, 20728), (1396, 15546), (2094, 10364), (2591, 8376), (2792, 7773), (4188, 5182)]