42181818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6397}}^1$

素因数の和:6566

約数の個数: 32

約数和(自身を含む): 97044864

約数和(自身を除く): 54863046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 157, 314, 471, 942, 1099, 2198, 3297, 6397, 6594, 12794, 19191, 38382, 44779, 89558, 134337, 268674, 1004329, 2008658, 3012987, 6025974, 7030303, 14060606, 21090909, 42181818]

約数ペア:

[(1, 42181818), (2, 21090909), (3, 14060606), (6, 7030303), (7, 6025974), (14, 3012987), (21, 2008658), (42, 1004329), (157, 268674), (314, 134337), (471, 89558), (942, 44779), (1099, 38382), (2198, 19191), (3297, 12794), (6397, 6594)]