21273066

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 48353760

約数和(自身を除く): 27080694

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 83, 87, 166, 174, 249, 261, 491, 498, 522, 747, 982, 1473, 1494, 2407, 2946, 4419, 4814, 7221, 8838, 14239, 14442, 21663, 28478, 40753, 42717, 43326, 81506, 85434, 122259, 128151, 244518, 256302, 366777, 733554, 1181837, 2363674, 3545511, 7091022, 10636533, 21273066]

約数ペア:

[(1, 21273066), (2, 10636533), (3, 7091022), (6, 3545511), (9, 2363674), (18, 1181837), (29, 733554), (58, 366777), (83, 256302), (87, 244518), (166, 128151), (174, 122259), (249, 85434), (261, 81506), (491, 43326), (498, 42717), (522, 40753), (747, 28478), (982, 21663), (1473, 14442), (1494, 14239), (2407, 8838), (2946, 7221), (4419, 4814)]