21401298

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7573}}^1$

素因数の和:7738

約数の個数: 24

約数和(自身を含む): 46670988

約数和(自身を除く): 25269690

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7573, 15146, 22719, 45438, 68157, 136314, 1188961, 2377922, 3566883, 7133766, 10700649, 21401298]

約数ペア:

[(1, 21401298), (2, 10700649), (3, 7133766), (6, 3566883), (9, 2377922), (18, 1188961), (157, 136314), (314, 68157), (471, 45438), (942, 22719), (1413, 15146), (2826, 7573)]