21109716

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{2029}}^1$

素因数の和:2073

約数の個数: 54

約数和(自身を含む): 56712110

約数和(自身を除く): 35602394

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 289, 306, 578, 612, 867, 1156, 1734, 2029, 2601, 3468, 4058, 5202, 6087, 8116, 10404, 12174, 18261, 24348, 34493, 36522, 68986, 73044, 103479, 137972, 206958, 310437, 413916, 586381, 620874, 1172762, 1241748, 1759143, 2345524, 3518286, 5277429, 7036572, 10554858, 21109716]

約数ペア:

[(1, 21109716), (2, 10554858), (3, 7036572), (4, 5277429), (6, 3518286), (9, 2345524), (12, 1759143), (17, 1241748), (18, 1172762), (34, 620874), (36, 586381), (51, 413916), (68, 310437), (102, 206958), (153, 137972), (204, 103479), (289, 73044), (306, 68986), (578, 36522), (612, 34493), (867, 24348), (1156, 18261), (1734, 12174), (2029, 10404), (2601, 8116), (3468, 6087), (4058, 5202)]