21300818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 18833710

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 157, 314, 881, 1099, 1727, 1762, 2198, 3454, 6167, 9691, 12089, 12334, 19382, 24178, 67837, 135674, 138317, 276634, 968219, 1521487, 1936438, 3042974, 10650409, 21300818]

約数ペア:

[(1, 21300818), (2, 10650409), (7, 3042974), (11, 1936438), (14, 1521487), (22, 968219), (77, 276634), (154, 138317), (157, 135674), (314, 67837), (881, 24178), (1099, 19382), (1727, 12334), (1762, 12089), (2198, 9691), (3454, 6167)]