21056526

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7451}}^1$

素因数の和:7616

約数の個数: 24

約数和(自身を含む): 45919224

約数和(自身を除く): 24862698

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7451, 14902, 22353, 44706, 67059, 134118, 1169807, 2339614, 3509421, 7018842, 10528263, 21056526]

約数ペア:

[(1, 21056526), (2, 10528263), (3, 7018842), (6, 3509421), (9, 2339614), (18, 1169807), (157, 134118), (314, 67059), (471, 44706), (942, 22353), (1413, 14902), (2826, 7451)]