21345926

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 37559808

約数和(自身を除く): 16213882

約数列:

[1, 2, 7, 14, 103, 113, 131, 206, 226, 262, 721, 791, 917, 1442, 1582, 1834, 11639, 13493, 14803, 23278, 26986, 29606, 81473, 94451, 103621, 162946, 188902, 207242, 1524709, 3049418, 10672963, 21345926]

約数ペア:

[(1, 21345926), (2, 10672963), (7, 3049418), (14, 1524709), (103, 207242), (113, 188902), (131, 162946), (206, 103621), (226, 94451), (262, 81473), (721, 29606), (791, 26986), (917, 23278), (1442, 14803), (1582, 13493), (1834, 11639)]