21010266

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2577

約数の個数: 48

約数和(自身を含む): 50004864

約数和(自身を除く): 28994598

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 306, 459, 486, 918, 1377, 2543, 2754, 4131, 5086, 7629, 8262, 15258, 22887, 43231, 45774, 68661, 86462, 129693, 137322, 205983, 259386, 389079, 411966, 617949, 778158, 1167237, 1235898, 2334474, 3501711, 7003422, 10505133, 21010266]

約数ペア:

[(1, 21010266), (2, 10505133), (3, 7003422), (6, 3501711), (9, 2334474), (17, 1235898), (18, 1167237), (27, 778158), (34, 617949), (51, 411966), (54, 389079), (81, 259386), (102, 205983), (153, 137322), (162, 129693), (243, 86462), (306, 68661), (459, 45774), (486, 43231), (918, 22887), (1377, 15258), (2543, 8262), (2754, 7629), (4131, 5086)]