21873258

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1891

約数の個数: 48

約数和(自身を含む): 52576992

約数和(自身を除く): 30703734

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 61, 66, 99, 122, 183, 198, 366, 549, 671, 1098, 1342, 1811, 2013, 3622, 4026, 5433, 6039, 10866, 12078, 16299, 19921, 32598, 39842, 59763, 110471, 119526, 179289, 220942, 331413, 358578, 662826, 994239, 1215181, 1988478, 2430362, 3645543, 7291086, 10936629, 21873258]

約数ペア:

[(1, 21873258), (2, 10936629), (3, 7291086), (6, 3645543), (9, 2430362), (11, 1988478), (18, 1215181), (22, 994239), (33, 662826), (61, 358578), (66, 331413), (99, 220942), (122, 179289), (183, 119526), (198, 110471), (366, 59763), (549, 39842), (671, 32598), (1098, 19921), (1342, 16299), (1811, 12078), (2013, 10866), (3622, 6039), (4026, 5433)]