21770694

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 80

約数和(自身を含む): 56105280

約数和(自身を除く): 34334586

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 81, 99, 114, 162, 171, 198, 209, 297, 342, 418, 513, 594, 627, 643, 891, 1026, 1254, 1286, 1539, 1782, 1881, 1929, 3078, 3762, 3858, 5643, 5787, 7073, 11286, 11574, 12217, 14146, 16929, 17361, 21219, 24434, 33858, 34722, 36651, 42438, 52083, 63657, 73302, 104166, 109953, 127314, 134387, 190971, 219906, 268774, 329859, 381942, 403161, 572913, 659718, 806322, 989577, 1145826, 1209483, 1979154, 2418966, 3628449, 7256898, 10885347, 21770694]

約数ペア:

[(1, 21770694), (2, 10885347), (3, 7256898), (6, 3628449), (9, 2418966), (11, 1979154), (18, 1209483), (19, 1145826), (22, 989577), (27, 806322), (33, 659718), (38, 572913), (54, 403161), (57, 381942), (66, 329859), (81, 268774), (99, 219906), (114, 190971), (162, 134387), (171, 127314), (198, 109953), (209, 104166), (297, 73302), (342, 63657), (418, 52083), (513, 42438), (594, 36651), (627, 34722), (643, 33858), (891, 24434), (1026, 21219), (1254, 17361), (1286, 16929), (1539, 14146), (1782, 12217), (1881, 11574), (1929, 11286), (3078, 7073), (3762, 5787), (3858, 5643)]