21044538

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 48845160

約数和(自身を除く): 27800622

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 97, 102, 153, 194, 291, 306, 582, 709, 873, 1418, 1649, 1746, 2127, 3298, 4254, 4947, 6381, 9894, 12053, 12762, 14841, 24106, 29682, 36159, 68773, 72318, 108477, 137546, 206319, 216954, 412638, 618957, 1169141, 1237914, 2338282, 3507423, 7014846, 10522269, 21044538]

約数ペア:

[(1, 21044538), (2, 10522269), (3, 7014846), (6, 3507423), (9, 2338282), (17, 1237914), (18, 1169141), (34, 618957), (51, 412638), (97, 216954), (102, 206319), (153, 137546), (194, 108477), (291, 72318), (306, 68773), (582, 36159), (709, 29682), (873, 24106), (1418, 14841), (1649, 12762), (1746, 12053), (2127, 9894), (3298, 6381), (4254, 4947)]