21590514

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:484

約数の個数: 72

約数和(自身を含む): 53778816

約数和(自身を除く): 32188302

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 121, 138, 198, 207, 242, 253, 363, 414, 431, 506, 726, 759, 862, 1089, 1293, 1518, 2178, 2277, 2586, 2783, 3879, 4554, 4741, 5566, 7758, 8349, 9482, 9913, 14223, 16698, 19826, 25047, 28446, 29739, 42669, 50094, 52151, 59478, 85338, 89217, 104302, 109043, 156453, 178434, 218086, 312906, 327129, 469359, 654258, 938718, 981387, 1199473, 1962774, 2398946, 3598419, 7196838, 10795257, 21590514]

約数ペア:

[(1, 21590514), (2, 10795257), (3, 7196838), (6, 3598419), (9, 2398946), (11, 1962774), (18, 1199473), (22, 981387), (23, 938718), (33, 654258), (46, 469359), (66, 327129), (69, 312906), (99, 218086), (121, 178434), (138, 156453), (198, 109043), (207, 104302), (242, 89217), (253, 85338), (363, 59478), (414, 52151), (431, 50094), (506, 42669), (726, 29739), (759, 28446), (862, 25047), (1089, 19826), (1293, 16698), (1518, 14223), (2178, 9913), (2277, 9482), (2586, 8349), (2783, 7758), (3879, 5566), (4554, 4741)]