21731028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{853}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 55667136

約数和(自身を除く): 33936108

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 193, 386, 579, 772, 853, 1158, 1706, 2123, 2316, 2559, 3412, 4246, 5118, 6369, 8492, 9383, 10236, 12738, 18766, 25476, 28149, 37532, 56298, 112596, 164629, 329258, 493887, 658516, 987774, 1810919, 1975548, 3621838, 5432757, 7243676, 10865514, 21731028]

約数ペア:

[(1, 21731028), (2, 10865514), (3, 7243676), (4, 5432757), (6, 3621838), (11, 1975548), (12, 1810919), (22, 987774), (33, 658516), (44, 493887), (66, 329258), (132, 164629), (193, 112596), (386, 56298), (579, 37532), (772, 28149), (853, 25476), (1158, 18766), (1706, 12738), (2123, 10236), (2316, 9383), (2559, 8492), (3412, 6369), (4246, 5118)]